Critical Fallibilism
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Dennis Hackethal Falsely Implied That Critical Fallibilism Plagiarizes Karl Popper

Dennis Hackethal has been writing about Critical Fallibilism's (CF's) core ideas, on his Veritula website, but he doesn't name or credit CF or me. Instead, he claims the ideas were invented by Karl Popper and are part of Popper's philosophy, Critical Rationalism
20 Nov 2025 10 min read
Research

Intellectuals Don't Debate Much

Rational intellectuals should debate multiple times per year.
16 Nov 2025 7 min read
Critical Fallibilism

Debate Policies Introduction

All rational public intellectuals should have debate policies.
12 Nov 2025 8 min read
Critical Fallibilism

Critical Fallibilism and Theory of Constraints in One Analyzed Paragraph

Eli Goldratt is helpful for epistemology.
22 Sep 2025 32 min read
Research

Error Correction Mechanisms and Parenting

Critical Fallibilism's (CF's) concept of error correction mechanisms helps people deal with fallibility. Common approaches to fallibility allow arbitrary judgments without transparency, thus enabling bias. On the extreme other end of the spectrum is putting unbounded effort into handling fallibility: just keep trying to agree with
30 Aug 2025 15 min read
Research

Patterns, Similarity and Relevance

Criticism of induction and an alternative.
18 Jun 2025 8 min read
Research

Breaking Projects into Parts

Evaluate success or failure frequently.
04 Jun 2025 15 min read
Research

Induction and Critical Rationalism

Popper discovered an alternative to induction.
28 May 2025 5 min read
Research

Intuitive Disagreements

Bringing up intuitions can be done rationally.
22 May 2025 13 min read
Research

Critical Fallibilism Terminology and Partial Truth

Many statements that contradict Critical Fallibilism are reasonable approximations.
17 May 2025 7 min read
Research

What Is Being Open to Debate for a Public Intellectual?

Transparent debate policies are important.
14 May 2025 7 min read
Research

Error Correction Policies Are Hard

Not everyone should have a public debate policy now.
06 May 2025 20 min read
Critical Fallibilism

Introduction to Theory of Constraints

Learn about Eli Goldratt's ideas.
08 Apr 2025 22 min read
Critical Fallibilism

Introduction to Critical Rationalism

Learn about Karl Popper's philosophy, Critical Rationalism.
28 Mar 2025 15 min read
Critical Fallibilism

Introduction to Critical Fallibilism

Learn about a new thinking method that uses binary evaluations and breakpoints.
04 Apr 2024 13 min read
Research

Organized Writing Based on a Tree

How do you make writing organized and easy to understand? There are many options. A standard approach is to make the writing correspond well to a tree diagram. (I'll talk primarily about essay writing, but the same techniques work with longer or shorter pieces. Just make every part
16 Nov 2023 6 min read
Research

Treating Ideas Badly

People encounter ideas, think they are bad ideas, and then want to treat those ideas badly because they're (allegedly) bad. They want their treatment of ideas to correspond to the nature or quality of the ideas. They want to be interested in good ideas, and uninterested in bad
09 Nov 2023 6 min read
Research

Rationality Is Counter-Intuitive

Rationality requires some attention be allocated contrary to what most people find draws their attention. If different creators each independently try to draw attention, that isn't a truth-seeking process. Getting popularity or attention are different things than having correct ideas. For a rational world, some people will have
02 Nov 2023 5 min read
Research

Write How You Speak

Some people want to do philosophy but will barely talk on a philosophy forum because it takes them a lot of time and effort to write anything. They also don’t do enough private writing – notes, journaling, written brainstorming, written pro/con lists, essays, tree diagrams, etc. (Other quiet people
26 Oct 2023 8 min read
Research

A Succession of Practice Activities

There are many ways to view learning philosophy and making unbounded progress. A Popperian view is it's problem solving. You solve one problem then move on to another (that's better in some way), and keep going forever. Popper saw progress as progressing from problem to problem.
19 Oct 2023 5 min read
Shorts

Philosophy as a Secondary Skill

Philosophy can be done by itself (primary) or to support other activities (secondary). It can help you do better problem solving and learning regarding any topic. So you can pursue philosophy as a means to other ends, or as an end in itself. (There are many types of philosophy; I&
12 Oct 2023 3 min read
Research

What Nodes Go In Debate Trees? And Other Debate Tree Questions

This article answers several common questions about debate trees. It discusses mechanics of how trees work, addressing all criticism instead of excluding arguments from discussions, and how to protect your time. Adding Nodes When making debate trees, what nodes should be added? (Suppose you're the one with the
05 Oct 2023 17 min read
Research

Learning Many Small Skills Instead of Getting Stuck

I see people get stuck while trying to learn philosophy. I'll tell you what they don't do: incrementally learn a dozen different small skills, of multiple types, successfully, with some skills building on previous skills, and practice each skill. You might think "Of course they
28 Sep 2023 16 min read
Research

To Make Unbounded Progress, Do Similar Activities to Past Successes

I see people overreach and do overly difficult activities even after reading my essays about overreaching and claiming that they agree with me. Then they may fail a bunch, get stuck, and give up without ever trying easy enough activities. Why do they do this? Perhaps they don't
21 Sep 2023 7 min read
Shorts

Do You Like Learning Philosophy?

Do you like learning philosophy? Or do you just want to be a good philosopher? Do you just want the results you imagine getting from philosophy, such as winning more arguments, having innovative ideas, having more of your solutions to problems actually work, impressing people with your cleverness, being rational,
14 Sep 2023 2 min read
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