PhilosophyThe ProfessorIntermediate
Philosophy for Clearer Thinking, a free philosophy course on Tomo

Philosophy for Clearer Thinking

Like Duolingo, but for Philosophy for Clearer Thinking. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.

For the part of you with thirty open tabs that never became anything.

24 levels across 4 sections, about 48 minutes end to end, roughly 10 days at five minutes a day. It moves through Sharpening Your Arguments, Navigating Moral Gray Areas, Questioning Reality and Knowledge, and The Limits of Reason. It assumes you already know the basics.

24 bite-size levelsAbout 5 minutes each

Free forever · No credit card · iPhone & Android

Philo the Phoenix, the guide who teaches the Philosophy for Clearer Thinking course
Philosophy for Clearer Thinking
with Philo the Phoenix
24
Levels
4
Sections
5
Min/day
What you'll learn

Key ideas in Philosophy for Clearer Thinking

  • Entailment requires the conclusion to be the only possible outcome
  • Topical overlap does not create a formal link
  • Deductive gaps from new concepts
  • Validity refers to the shape of reasoning
  • Soundness requires valid shape and true starting points
  • Logical arguments can describe fantasies
  • Distinguishing between logical entailment and mere topical relevance
  • Differentiating between the structure of an argument and the truth of its content
  • Charity requires interpreting an opponent's claim in its strongest possible form
  • Enthymemes are arguments that rely on unstated, 'hidden' premises to function
  • Defeating a 'straw man' version of an idea fails to actually disprove the idea itself
  • Bridging the gap between a 'fact' and a 'value' usually requires a hidden assumption
  • Philosophical progress relies on testing the best version of a theory
  • Exposing a hidden premise is often the fastest way to collapse a weak argument
  • Applying the Principle of Charity to strengthen an opposing position
  • Identifying unstated premises that sustain an argument
Why not just Google it

You've tried the other tabs

Wikipedia

Thirty open tabs. Four facts you actually kept.

YouTube

You watched. You nodded. By Sunday it was gone.

ChatGPT

One answer, then back to scrolling.

Online courses

Eight weeks. You meant to finish. You didn't.

Tomo gives Philosophy for Clearer Thinking the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.

Try a question

Here's what playing it feels like

A real question from this course. Take your best guess.

The Shape of Truth

If I argue that 'All truth-seekers are readers, therefore all truth-seekers are wise,' why is the logic weak?

Get it right to open this lesson and 23 more in the app.

Course map

Where Philosophy for Clearer Thinking takes you

Move beyond basic definitions to master the frameworks that shape how we argue, live, and understand reality. Learn to dismantle weak logic and build a coherent worldview.

  1. 1

    Sharpening Your Arguments

    • Building Bulletproof Arguments
    • Spotting Subtle Logical Traps
  2. 2

    Navigating Moral Gray Areas

    • Ethical Frameworks in Conflict
    • The Social Contract in Practice
  3. 3

    Questioning Reality and Knowledge

    • Epistemology: The Limits of Knowing
    • Metaphysics: Identity and Being
  4. 4

    The Limits of Reason

    • Philosophy of Mind
    • Existentialism and Meaning

4 sections · 8 units · 24 levels. Built to play, not to enroll.

How it's taught

You pick the voice

This course
The Professor

Philosophy for Clearer Thinking is taught in the The Professor style: clear, structured, thorough. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.

Start free

Start Philosophy for Clearer Thinking today.

Download Tomo, search Philosophy for Clearer Thinking, and play your first lesson in under a minute.