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Mental Models

Coming Soon

What's next on the build queue — the courses being added to the zero-to-expert ladder, in the order they'll arrive.

See where they land on the full ladder →
  1. Next up
    🔬 Beginner

    First-Principles Thinking

    Reason up from what you know is true instead of by analogy. Boil a problem down to its irreducible facts, then rebuild — the engine behind every breakthrough.

    Builds on: What Are Mental Models?

    Coming soon

  2. 🔃 Beginner

    Inversion: Think Backwards

    “Invert, always invert.” Instead of asking how to succeed, ask how to fail — then avoid that. One of the most powerful and underused thinking tools.

    Builds on: What Are Mental Models?

    Coming soon

  3. 🌊 Intermediate

    Second-Order Thinking

    “And then what?” Trace the consequences of the consequences. First-order answers are easy and usually wrong; the edge is in the ripple effects.

    Builds on: Inversion: Think Backwards · First-Principles Thinking

    Coming soon

  4. ⚖️ Intermediate

    Opportunity Cost & Trade-offs

    The real cost of anything is the best thing you gave up to get it. The single idea that turns every choice into a comparison.

    Builds on: What Are Mental Models?

    Coming soon

  5. 🎲 Intermediate

    Thinking in Probabilities

    Swap true/false for odds. Base rates, expected value, and the habit of asking “how likely?” instead of “is it possible?”

    Builds on: What Are Mental Models?

    Coming soon