Workshop

A rootcause technique: ask "why?" iteratively — typically five times — to drill from a visible symptom down to the systemic cause that actually triggered it. Or

The word sounds like it means vague or unclear — in ordinary speech it often does. In computing and problemsolving it means the opposite: a precise simplificati

Howard Marks frames active management as the search for mistakes. A market mistake is a mispricing: an asset priced too low or too high relative to value and ri

Active reading is the idea that good reading is not passive reception but visible mental work. The reader asks questions, marks the book, tests claims, follows

Agent operating instructions are durable files that teach coding agents how to behave inside a project: what context matters, what must not be touched, how to h

Agentic coding workflows use AI systems as semiautonomous execution agents rather than passive autocomplete tools. The human's role shifts from writing every li

The argument that AGI and superintelligence are fundamentally national security challenges rather than consumer technology products. Whoever leads in superintel

AI assistants are conversational systems that generate text, explanations, summaries, and other outputs by predicting language patterns from training data, some

AI bias is the reproduction or amplification of unfair patterns, stereotypes, or unequal treatment in model outputs. It does not usually enter at one single ste

AI hallucinations are fabricated or unsupported outputs generated by an AI system and presented in the style of confident knowledge. The important point is that

An algorithm is a plan — a set of stepbystep instructions with a clear starting point, a clear finishing point, and a set of unambiguous instructions in between

Alternative histories are the plausible paths that could have happened but did not. Taleb uses the idea to attack outcome worship. A decision is not validated s

Analytical reading is the third level of reading: the fullscale attempt to understand a book as thoroughly as time and effort permit. It is the level at which t

The announcementofannouncement is a tradeable market structure pattern: an asset pumps when its team signals that a significant announcement is coming, before t

The speculator's art is not prediction — it is anticipation: positioning before the crowd reaches a conclusion that you have already reached. By the time the co

Apolitical money is the fantasy that money can be treated as a neutral technical tool instead of as a social institution loaded with rules, power, and conflict.

The app economy is the economic system built around app creation, distribution, monetization, and the much larger layer of commerce that apps facilitate. It ope

The argument from ignorance treats a claim as true because it has not been disproven, or false because it has not been proven. It exploits a gap in evidence as

The most effective way to influence someone is to arouse in them an eager want for the thing you are suggesting, rather than trying to force your own desire on

Artificial neural networks are machine learning models designed to mimic the relationship between neurons in the brain. Instead of following explicitly programm

Automation is not just the replacement of labor by machines. In capitalism it becomes a structural tension because the system rewards laborsaving technology whi

Backpropagation is the procedure that lets a neural network figure out how each weight contributed to the final error so that gradient descent can update those

Backtracking is a search method that builds a candidate solution step by step and abandons a partial path as soon as it becomes clear that the path cannot possi

Banking in a capitalist economy is not mainly a storage service. It is a system for creating money, extending claims on the future, and keeping payment circulat

The biasvariance tradeoff is the tension between models that are too rigid to capture the underlying pattern and models that are so flexible they start fitting

A framework by Benjamin Bloom describing the three stages through which worldclass performers develop, based on studying 120 elite performers across music, athl

Booms are not anomalies — they are the predictable product of human hope applied to rising prices. Every speculative mania follows the same psychological arc be

Bubble detection is the practice of judging market behavior around a theme, not merely deciding whether the theme itself is real. Howard Marks' central warning

Chunking is the process of binding separate pieces of information together through meaning into a single retrievable unit — a "chunk." It is the fundamental mec

A circle of competence is the zone where your understanding is real enough to support judgment. Munger and Buffett treat the idea as a boundary discipline, not

Circular reasoning happens when an argument assumes the truth of the conclusion it is supposed to establish. Instead of moving from evidence to claim, it loops

Circular reporting is a misinformation pattern in which a false or weakly sourced claim circulates through multiple publications until repetition is mistaken fo

Classifying books is Adler's first rule of analytical reading: know what kind of book you are reading, and know it as early as possible. This is not library sci

Click restraint is the habit of pausing on a search results page long enough to evaluate the available options before clicking. Instead of reflexively choosing

Coming to terms with an author means identifying the key words in a book and determining what the author means by them in that specific work. For Adler, terms a

Communication metadata is the information about a communication other than its content: who contacted whom, when, for how long, from where, using what service,

Computational thinking CT is a problemsolving framework that breaks complex problems into manageable parts, looks for patterns, filters out irrelevant detail, a

The confidence cycle is Howard Marks' idea that belief, optimism, and certainty move in selfreinforcing waves. Confidence affects both the economy and markets:

Context clues are signals in the same sentence or nearby sentences that let a reader infer the meaning of an unfamiliar word without leaving the text. They matt

Two things moving together is not the same as one making the other happen. Correlation only tells you that variables are associated. Causality says that changin

Creative confidence is the belief that you are capable of creative action — grounded not in talent but in accumulated experience of small creative successes. Th

Creativity is, at minimum, the capacity to produce something both novel and useful — though almost every researcher working on the topic is dissatisfied with th

The credit cycle is Howard Marks' framework for how the availability of capital expands and contracts. He treats it as one of the most marketmoving cycles becau

Credit investing is mostly the art of avoiding losers rather than finding uncapped winners. Marks calls it a negative art because the upside is contractually li

Economic crisis is not an outside shock interrupting an otherwise balanced machine. In Varoufakis's framing, it is what happens when the inner promises of capit

Critical thinking is the disciplined habit of questioning claims, examining evidence, clarifying goals, and testing whether conclusions actually follow from rea

Criticism is futile because it puts the other person on the defensive and wounds their pride. No one likes to be told they are wrong, and the moment criticism b

Criticizing a book fairly means withholding disagreement until you can first show that you understand what the author is saying. For Adler, this is not politene

Debt and profit are not separate topics in capitalism. They are paired mechanisms: borrowing brings future expectations into the present, and profit is the hope

Debugging is the process of identifying and fixing errors bugs in an algorithm or program. It is distinct from evaluation: evaluation checks whether an algorith

A good decision can produce a bad outcome, and a bad decision can produce a good outcome. Howard Marks returns to this idea through Nassim Taleb's "alternative

Decision trees are models that make predictions by splitting a problem into a sequence of branching questions. Each internal node asks for a distinction in the

Each day contains a handful of moments that disproportionately shape everything that follows. Clear calls these "decisive moments" — the forks in the road where

Familiar tasks get decomposed automatically — you don't consciously plan each step of brushing your teeth. The problem is that when something is new or complex,

Deductive reasoning moves from a general rule to a specific conclusion. If the premises are true and the logic is valid, the conclusion must follow. It does not

Defense in depth is the principle that important protection should not depend on a single safeguard. Instead, multiple layers cover different failure modes so t

Deliberate practice is the highestleverage mode of skill training. It involves: 1. Working on tasks just beyond your current ability level 2. Getting immediate

Delta vs. level is the distinction between progress from your starting point and your absolute current position in the real field. Delta asks: how far have you

A structured, humancentered approach to problemsolving and innovation. Popularized by IDEO and the Stanford d.school in the 2000s. Offers a repeatable process f

Divergent thinking is the cognitive mode of generating many possible solutions, ideas, or responses before narrowing toward one. It is the "opening up" half of

DNS, short for Domain Name System, is the web's naming layer. It translates humanreadable domain names into machineusable IP addresses so browsers know which se

Economic power is the capacity to shape the terms on which others live: who owns, who borrows, who works, who waits, and who absorbs losses. Power in economic l

Economic reality is the constraint layer: scarcity, tradeoffs, incentives, productivity, secondorder consequences, and the fact that one cannot get all desirabl

A framework named by entities/GCR Apr 4, 2022 as a complement to the efficient market hypothesis, applied specifically to yield opportunities: "In most instance

German for "installation" — a cognitive phenomenon where an idea you already hold in mind blocks you from seeing a better idea or solution. Your existing mental

Elementary reading is the first level of reading: the level at which a person learns what the words on the page literally say. It includes decoding, vocabulary,

Attractive things work better. Not aesthetically better — functionally better. Don Norman's threelevel model of emotional design explains why: products operate

Empathy is the choice to feel with another person. It requires taking their perspective as their truth, staying out of judgment, recognising the emotion they ar

Endtoend encryption means the content of a communication is readable only by the communicating endpoints, not by the service carrying the message in between. It

People with the "best selfcontrol" are usually people who structure their environment so they rarely need selfcontrol. Discipline is not a personality trait — i

The shared public information environment — the "water supply" for minds. Just as clean water enables physical health, a clean epistemic commons enables coheren

Epistemic humility is the discipline of matching confidence to evidence. In The Complete Collection Howard Marks, it becomes especially visible during the COVID

Ergodicity is the question of whether the average across many possible outcomes matches what one participant is likely to experience over time. In nonergodic si

Evaluation is the checking stage between designing an algorithm and programming it. Once you have built a solution using decomposition, pattern recognition, abs

Eventbased time is the principle that the meaningful unit for measuring time is not the clock second but the discrete event. Whether in highfrequency trading, a

Exchange vs reciprocity is the distinction between relationships organized by price and relationships organized by mutual obligation, gift, trust, or shared lif

Extrinsic aids to reading are helps that lie outside the book itself: relevant experience, other books, commentaries, abstracts, dictionaries, encyclopedias, an

Taste is not natural. Every designer whose work looks effortless built that effortlessness through years of deliberate looking — noticing not just that somethin

A false analogy treats one shared feature as if it were enough to make two cases explanatory twins. The trap is not comparison itself. Comparison is useful. The

The false cause fallacy turns a pattern into an explanation before the causal work has been done. Two things occur together, or one follows the other, and the m

Febezzlement is Munger's term for the functional equivalent of embezzlement. The original idea comes from Galbraith's "bezzle": wealth that has already been sto

Figurative language is language that does not mean only what it literally says. It asks the reader to interpret comparison, exaggeration, symbolism, or irony in

A filter bubble is a personalized information environment shaped by algorithms that learn from a user's past behavior and then increasingly feed them what seems

A financial panic is a selfreinforcing collapse in confidence where the fear of loss causes behavior that produces the loss. It is a reflexive event: the expect

First principles thinking means breaking a problem down to foundational truths and rebuilding from there, rather than copying existing templates or reasoning by

Default human reasoning that stops at the immediate, obvious result of a decision or observation. Fast and automatic Surfacelevel analysis Everyone tends to rea

Fixed mindset is the belief that intelligence or ability is mostly a stable trait rather than something that can be developed much through effort, strategy, and

The brain operates in two fundamentally different modes, and effective learning and creative work both require toggling between them. Barbara Oakley frames this

James Clear's actionable framework built on the habit loop cue → craving → response → reward. Each law targets one phase of the loop. Each has an inversion for

Adler reduces the reader's basic obligations to four questions: 1. What is the book about as a whole? 2. What is being said in detail, and how? 3. Is it true, i

Fulldisk encryption protects the data stored on a device by encrypting the drive itself rather than only locking the screen or encrypting a few files. Its purpo

Gaming of systems is what happens when people optimize for the measurement or payout rule instead of the system's real purpose. Munger treats this as a permanen

People crave appreciation more than they admit. When it is given honestly and specifically, it satisfies a deep need and makes the recipient far more receptive

Peak motivation occurs when working on tasks of "just manageable difficulty" — approximately 4% beyond your current ability. Too easy and you get bored. Too har

Google Scholar is a scholarly discovery tool that searches academic literature such as journal articles, books, theses, dissertations, and some forms of grey li

Gradient descent is an iterative method for minimizing a function by repeatedly moving a guess in the direction that most reduces error. Instead of solving an o

Granny's Rule is the simple sequencing principle that the unpleasant but necessary task comes before the reward. The child's version is carrots before dessert.

Graph traversal is the process of systematically visiting the nodes of a graph according to some rule so that the structure can be explored, searched, or analyz

Grit is sustained passion and perseverance for longterm goals. In Angela Duckworth's framing, it is the ability to keep working toward a future that matters to

Stocks within an industry sector tend to move together. In a bull market, all members of a group should advance. When one member of a group conspicuously fails

Growth mindset is the belief that ability is not a fixed verdict but a developable capacity. In Carol Dweck's framing, talent matters less than what a person th

Habit stacking links a new behavior to an existing one using the formula: "After CURRENT HABIT, I will NEW HABIT." Existing habits are already encoded as strong

Habit tracking is the practice of measuring whether you performed a habit. The simplest form: mark an X on a calendar each day you complete the habit. "Don't br

Happiness as skill is Naval Ravikant's view that happiness can be trained like fitness, nutrition, or wealth creation. It is not merely inherited, found, or ear

HTTP, short for Hypertext Transfer Protocol, is the basic requestresponse protocol browsers and servers use to exchange web resources. In the simplest version o

Hypnagogia is the transitional state between wakefulness and sleep — the brief window when the mind is still partially conscious but no longer fully directed. P

Identitybased habits flip the direction of behavior change. Instead of starting with outcomes "I want to run a marathon" or processes "I need to run every morni

A Japanese concept roughly meaning "reason for being." In the context of skill development and career, it refers to the intersection of: 1. What you love — intr

The gap between feeling like you know something and actually knowing it. This is arguably the single most important concept for any learner to understand, becau

An implementation intention is a predecision about when, where, and how you will act. The formula: "I will BEHAVIOR at TIME in LOCATION." Hundreds of studies sh

Incentive superpower is Munger's claim that incentives do not merely influence behavior. They often dominate it. People change what they notice, what they excus

Inductive reasoning moves from examples to a broader claim. It starts with what has been observed, notices a pattern, and turns that pattern into a probable con

Inequality is not just uneven outcomes. In this book it is the visible expression of a deeper structure deciding who owns, who works, who borrows, and who comma

Inferencing is the act of drawing a conclusion from evidence, background knowledge, and reasoning when the text or situation does not state the conclusion direc

Two distinct routes lead to creative solutions. Insight — the aha moment — is when a solution bursts into awareness without conscious deliberation. Analytical t

Inspectional reading is the second level of reading: a fast but disciplined pass whose purpose is to determine what a book is about, how it is built, and whethe

The idea that once AI systems can automate AI research itself, progress becomes recursive and explosive: smarter systems produce even smarter systems in a tight

"Invert, always invert." — Carl Jacobi mathematician, adopted by entities/charlesmunger. Inversion means solving problems backward: instead of asking "How do I

Investment styles move in and out of favor like clothing hemlines. Howard Marks uses this image to show that popularity itself changes future returns. The quest

The Iron Prescription is Munger's discipline of hunting for disconfirming evidence, especially when you love your current conclusion. He takes the habit from Da

Ship something imperfect. Learn from real users. Improve it. Repeat. Iterative development treats every release as a hypothesis and every user interaction as da

Knearest neighbors is a prediction method that classifies a new case by looking at the most similar known cases nearby and letting those neighbors vote. Its log

Japanese for "change for the better." A philosophy of continuous, incremental improvement as a daily practice — done by everyone in the system, not just leaders

A KIM chart is a simple threecolumn vocabulary tool built around Key Word, Information, and Memory Cue. It helps by putting definition and recall trigger beside

Labor markets are not ordinary markets for an ordinary commodity. They are the institutions through which people sell their capacity to work because they need w

Lateral reading is the practice of leaving a webpage to investigate its source, claim, or organization through other tabs and other sources rather than reading

Learning from failure sounds automatic, but it is not. A mistake only teaches when the learner can both emotionally tolerate the setback and accurately diagnose

The claim that all learning is fundamentally memorybuilding. "Understanding" is not a categorically different thing from "memorization" — it is deeper, richer,

The levels of reading are Adler and Van Doren's claim that reading skill is hierarchical. There is not one generic act called "reading." There are at least four

The Lindy effect is the observation that for nonperishable things — technologies, ideas, institutions, books — longevity predicts future durability. Each additi

Prices move in whatever direction requires the least force. When buying pressure exceeds selling pressure, prices rise — not because fundamentals have changed b

Liquidity risk is the risk that an investor cannot sell an asset quickly at a fair price when they need to. Marks treats liquidity as transient and paradoxical:

A local maximum is the highest point reachable from your current position by always moving uphill — but not the highest point overall. You are at the top of you

Prior partial ingest only 5 pages read fully replaced after reading all 119 pages gcrtradereview source page: complete rewrite covering 9 thematic sections; ~22

When multiple psychological tendencies act in confluence toward the same outcome, the result is extreme — often far beyond what any single tendency would produc

Howard Marks' selling framework argues that investors often sell for psychologically satisfying reasons rather than analytically valid ones. They sell because a

Low unit bias is the retail psychological tendency to perceive an asset as "cheap" because its nominal price per unit is low, independent of market capitalizati

A lowrate world is an environment where the riskfree rate is so low that prospective returns fall across nearly all assets. Marks treats this as the dominant po

Manwithahammer syndrome is the tendency to force every problem into the shape of the one tool you already know. Munger uses it as a standing warning against sin

Market maker distribution describes the full cycle by which a token's insiders — project teams, early investors, and coordinated market makers — accumulate supp

Market manipulation is any deliberate action to create an artificial price, volume, or narrative signal in a security or commodity. In the early 20th century, b

Market society is not simply a society with markets in it. It is a society in which access to life's basics depends on market participation, above all on sellin

Munger's central framework: acquire the big ideas from every major discipline — math, physics, biology, psychology, economics, engineering, history — and organi

The middle ground fallacy assumes that a position becomes true, fair, or wise simply because it sits between two opposing views. It mistakes balance for judgmen

Minimax is a gamesearch strategy for adversarial settings where you assume the opponent will also play intelligently. It chooses the move whose worst plausible

Money creation is the process by which new purchasing power enters the economy, and in modern capitalism most of it is created through bank lending rather than

Naive Bayes is a classification method that chooses the most likely class for a case by combining prior class probabilities with the probability of seeing that

Net neutrality is the principle that internet traffic should be treated without unfair preference by network operators. At its simplest, it means providers shou

Neuroevolution is the use of evolutionary search to improve neural networks instead of, or alongside, direct gradientbased training. Rather than computing exact

Oedipal markets are markets whose attempts to cure themselves can undermine the very recovery they are supposed to produce, because participants interpret the a

A framework for measuring AI progress in "orders of magnitude" OOMs of effective compute rather than benchmark scores or subjective impressions. Introduced in s

Packet switching is the architectural principle underlying how data moves across the internet. Instead of reserving a dedicated continuous channel between sende

Packets are the small chunks into which data is split when it travels across the internet. They are the unit of transport in packet switching — the architectura

A password manager is a tool that stores and generates unique credentials so that one account breach does not automatically become many account breaches. Its re

Pattern recognition is what lets you solve a new problem by noticing it is structurally the same as one you've already solved. Without it, every problem is enco

The ability to extract key features from complex environments while filtering out irrelevant noise. Experts don't just think differently from novices — they lit

Permissionless leverage is leverage that does not require someone else to give you capital or agree to work for you. Naval's main examples are code and media: p

Ancient Persians killed messengers who brought bad news. The modern version: careers are damaged by carrying unwelcome information to powerful people, even when

Planck vs chauffeur knowledge is Munger's distinction between real understanding and convincing performance. The story is simple: Max Planck, after giving the s

The frustrating part of behavior change is that effort arrives on schedule while evidence arrives late. James Clear calls that hidden stretch the Plateau of Lat

Platform governance is the set of rules, rankings, review systems, economic terms, and interface controls through which a digital platform shapes what users can

Markets are not neutral natural spaces. They are politically constituted systems whose rules determine ownership, bargaining power, money creation, and risk all

A time management method: set a timer for 25 minutes, work with full focus phone off, internet off, then reward yourself when the timer rings. Named after the t

Position sizing is the rule for how much capital to put at risk in a trade or investment. It is the bridge between having an idea and surviving the consequences

The principle that advanced skills should only be attempted after foundational prerequisites are genuinely mastered — not just "covered." Skycak's summary: "Pre

Privacy is the protected space in which a person can think, communicate, explore, and dissent without constant observation or forced exposure. It is often misun

Probability blindness is the human inability to naturally feel probability, base rates, randomness, and rare events correctly. In sources/fooledbyrandomness, Ta

Problem framing is the disciplined act of exploring and defining what problem you are actually facing before rushing into solutions. Many teams are fast at solu

The problem of induction is the limit of learning future certainty from past observations. In sources/fooledbyrandomness, Taleb uses the classic swan problem to

Profit is not just leftover money after costs. In capitalism it is the driving surplus around which production, investment, and competitive pressure are organiz

Pseudocode is an informal, humanreadable description of an algorithm that uses structured language conventions without being tied to any specific programming la

Munger's magnum opus: a taxonomy of 25 standard causes of human misjudgment, developed over decades of selftaught psychology and revised in 2005 at age 81. The

Pyramiding is the practice of adding to a position incrementally as the market confirms the original thesis. Each addition happens at a higher price for longs o

Adler and Van Doren separate two very different outcomes that ordinary language collapses into one word: information and understanding. Reading for information

Reading history means reading narrative accounts of the past while remembering that historical facts reach you already selected, arranged, and interpreted. Adle

Reading imaginative literature requires a different posture from reading expository works. Fiction and poetry do not mainly proceed by terms, propositions, and

Reading philosophy begins in good questions. Adler opens the chapter by arguing that children ask better philosophical questions than many adults because they s

Reading practical books means reading works that tell you what should be done or how to do it. They are not mainly trying to describe what is true of the world,

Reading science and mathematics well means respecting the special role of demonstration, observation, and formal structure. Scientific books are often easier in

Reading social science is difficult partly because its concepts and language spill into journalism, politics, criticism, and everyday argument. The reader often

Reasonable expectations are a form of risk control. If the expected return is too high, too smooth, or too dependable relative to the risk being taken, investor

Recycling is Varoufakis's name for the circulation that keeps an economy alive: wages becoming spending, revenues becoming salaries and investment, and credit s

Reflexivity describes situations where the beliefs of participants change the reality those beliefs are about, which then changes the beliefs again. The feedbac

Reinforcement learning is a machinelearning approach in which a system improves by receiving feedback about the consequences of its actions over time. Instead o

Remote associations are connections between concepts that are semantically distant — not obvious neighbors in meaning, but linked through indirect, weak, or met

Scale effects are the ways size changes economics. Munger treats scale as neither automatically good nor automatically bad. It creates powerful advantages, but

Howard Marks' seachange thesis says the investment world from roughly 1980 to 2021 was shaped by a fourdecade decline in interest rates, and the inflationandrat

A seamless web of trust is Munger's name for the kind of organization where highly reliable people can depend on one another without thick layers of defensive p

A search engine is a retrieval system that discovers, indexes, and ranks web content so users can find relevant pages through queries. Google, Bing, DuckDuckGo,

Search operators are syntax cues and constraint tools that make a query more precise than plain keyword searching. They let the searcher express structure direc

The practice of thinking past the immediate result of a decision to consider downstream consequences and the consequences of those consequences. FirstOrder Seco

Selfefficacy is Albert Bandura's term for the belief that you can produce a specific outcome through your own action. It is not general optimism, not selfesteem

A shelling point is the option people converge on in a coordination problem even when no central authority tells them to choose it. It becomes the obvious meeti

The shortestpath problem asks for the least costly route from one node in a graph to another. In an unweighted graph, "shortest" usually means fewest edges cros

SIFT is a fourstep routine for evaluating online information before accepting or sharing it: Stop, Investigate the Source, Find Better Coverage, and Trace claim

Sitonyourass investing is Munger's case for extreme selectivity followed by patience. The idea is not laziness. It is disciplined inactivity. If real opportunit

The hardest skill in speculation is not finding the right position — it is holding it. "Sitting tight" means staying in a correct trade through all the normal f

Skewness and asymmetry describe payoff shapes where gains and losses are distributed unevenly. Taleb treats payoff shape as more important than the comforting s

Every major wave of technology pushes human skill up one level of abstraction. The execution layer gets automated; humans move to the layer above — judgment, di

A slippery slope fallacy argues that one first step will inevitably trigger a sequence ending in an extreme outcome. The key mistake is not warning about conseq

The Socratic method is a structured form of questioning associated with Socrates that tests claims by pushing on definitions, assumptions, examples, exceptions,

Spaced repetition is a practice technique that exploits the "forgetting curve" to maximize longterm memory retention. The core insight: the act of successfully

Specialized terminology is the domainspecific vocabulary a field develops so that its members can talk with more precision than everyday language allows. Learni

Specific knowledge is knowledge that cannot be easily trained into someone else. It is usually discovered through genuine curiosity, unusual background, obsessi

The distinction between speculation and gambling is not about uncertainty — both involve uncertainty. It is about whether the decision is grounded in reasoned a

Stag hunt coordination is the problem of achieving a better collective outcome when each individual will pursue it only if they expect enough others to do the s

Stoic resilience is the discipline of meeting trouble without collapse into selfpity, resentment, or denial. In Munger's use of the idea, adversity is not somet

Stories and myths are not side ornaments around economics. They are part of how economic orders justify themselves and part of how people can learn to question

Confusing sufficient and necessary conditions is one of the most common logical errors — and one of the easiest to commit, because the two can sound interchange

The technical challenge of reliably controlling and aligning AI systems that are much smarter than humans. Distinct from current alignment which works via RLHF

Supervised learning is a machinelearning approach in which a model learns from examples that already include the desired answer or label. The basic pattern is s

Supply chain resilience is the tradeoff between cheapest sourcing and dependable sourcing. Howard Marks' 2022 memo "The Pendulum in International Affairs" frame

Survivorship bias is the error of studying only the visible winners while ignoring everyone who tried the same thing and disappeared from the sample. In sources

Sympathy is feeling for someone from a safe distance. It is the response that stays at the edge of the hole and offers comfort without entering the other person

Syntopical reading is Adler's fourth and highest level of reading: reading multiple books around one question and turning them into a structured conversation. T

The terms come from psychologist Daniel Kahneman's Thinking, Fast and Slow 2011, drawing on dualprocess theory developed across decades of cognitive science. Th

Tape reading and order flow is the practice of learning from how orders actually hit the market rather than only from higherlevel stories, indicators, or endofd

TCP/IP, short for Transmission Control Protocol and Internet Protocol, is the basic transport and addressing framework that moves data across the internet. In b

Temptation bundling pairs a behavior you need to do with a behavior you want to do. The formula: "After HABIT I NEED, I will HABIT I WANT." Or combined with hab

The Diderot Effect states that obtaining a new possession often triggers a spiral of additional consumption. Named after French philosopher Denis Diderot, who r

Thesis drift is what happens when a trade's original reason for existing silently changes without the trader explicitly deciding to change it. The position stay

Threat modeling is the practice of deciding what you are trying to protect, from whom, how likely the threat is, what failure would cost, and how much inconveni

Trading edge is a concrete reason a trade should have positive expected value after costs, slippage, sizing error, and psychological failure. It is the answer t

The chief enemies of a speculator are not the market, other traders, or bad luck. They are internal: hope, fear, and greed operating in the wrong direction at t

Trust minimization is the attempt to build systems where cooperation depends less on faith in particular people or institutions and more on rules that are legib

Twofactor authentication adds a second proof of identity on top of a password, usually something you have or temporarily generate rather than something you know

When starting a new habit, scale it down to something that takes two minutes or less. The goal is to master the art of showing up, not to optimize performance.

Unemployment is not just the absence of work. In this book it is evidence that labor markets do not automatically clear the way textbook models suggest. People

Unsupervised learning is a machinelearning approach in which a system looks for patterns, clusters, or structure in data without being given labeled answers in

A URL, short for Uniform Resource Locator, is the address of a resource on the web. It tells a browser what protocol to use, what domain to contact, and what pa

Useitorloseit is the principle that skills and mental models decay when they are not retrieved and used. Munger includes the idea because possessing a concept i

Value is the fault line between what markets can price and what human beings actually care about. Market price is one form of value, but it is not the only one.

Value versus growth investing is often framed as a fight between cheap stocks and expensive stocks. Howard Marks argues that this framing is confused. Growth is

Vocabulary flashcards are a lowfriction retrieval tool: put the target word on one side, the definition on the other, and ideally add part of speech plus an exa

A web browser is the clientside software layer that requests, receives, interprets, and displays web resources for a human user. Chrome, Firefox, Safari, and Ed

A web page is a single document that a browser can display, usually an HTML document plus the resources it depends on. It is smaller in scope than a website, wh

A web server is the computer or serverside system that hosts web resources and sends them to clients when requested. In the beginner picture, it is the place wh

A web service is a serverside system that responds to requests over the internet to perform a function or provide data. Unlike a plain informational page, a web

A website is a collection of related web pages and associated files grouped under a shared domain or identity. The pages usually link to one another, often thro

A word web is a vocabulary tool that treats a word as the center of a small network rather than as a oneline definition. It helps the learner build depth around

Wordpart clues are meaning hints that come from the internal structure of a word itself. Instead of asking what the surrounding sentence implies, the reader ask

The central insight of learning science, as presented in Advice on Upskilling, is the distinction between working memory WM and longterm memory LTM and how expe

The World Wide Web is a distributed hypertext system built on top of the internet, made of interlinked documents identified by URLs, retrieved through browsers

Xraying a book is Adler's metaphor for seeing the hidden structure beneath the surface prose. A worthwhile book has a skeleton: a unity, major parts, and an ord