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September 8, 2018 ~ squarishbracket

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Recent Posts

A Dating Puzzle, and Bayesian Experimental Design
What precedent does the Trump Twitter ban set?
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Formal Semantics 1: Historical Prelude and Compositionality
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A Compact Proof of the Compactness Theorem
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Epsilon-induction and the cumulative hierarchy
Nonstandard integers, rationals, and reals
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The Anti-Set Program
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Fundamentals of Logic: Syntax, Semantics, and Proof
The Pictorial Mathematics of Klak-Adbmal
The Rise of Anti-Set Theory
The Transfinite Factorial
On Self-Hating Theories of Arithmetic
Updated Introduction to Mathematical Logic
Finiteness can’t be captured in a sound, complete, finitary proof system
The Mindblowing Goodstein Sequences
Wacky Non-Standard Models of PA
The Continuum Hypothesis is False
Kolmogorov Complexity, Undecidability, and Incompleteness
Constructing the Church-Kleene Ordinal
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The order type of the rational numbers
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Immoral or Inconsistent?
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Paradoxical Precommitment
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A Talmudic Probability Puzzle
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Some Curious Group Isomorphisms
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Table of Small Finite Groups
Some Group Factoids
Group Theory Toolkit
The sweet spot on the structure spectrum
Proving Cauchy’s Theorem
Group Theory: Lagrange’s Theorem and the Sudoku Principle
The Most Irrational of Numbers
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Collatz Tree
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Producing all numbers using just four fours
A sequence prediction puzzle
Buddhabrot, Mandelbrot’s older sibling
Hopping Midpoints
Exploring Julia Sets
Mandelbrot Exploration
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The EPR Paradox
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Decision Theory
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A probability puzzle
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A common knowledge puzzle
The history of lighting technology
Kant’s attempt to save metaphysics and causality from Hume
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Swapping the past and future
Visualizing Special Relativity
Fractals and Epicycles
How to Learn From Data, Part 2: Evaluating Models
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The Match Problem
Gödel’s Second Incompleteness Theorem: Explained in Words of Only One Syllable
Anti-inductive priors
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A simple probability puzzle
The end goal of epistemology
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The Problem of Logical Omniscience
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Simple induction
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