Derek Parfit

The four dimensions in the 16-axis model where this thinker scores highest. People in this archetype tend to lean the same way.

• TRTrust in Reason

  10 / 10
• TDTheoretical Drive

  10 / 10
• UIUniversalist Impulse

  9 / 10
• SISelf as Illusion

  9 / 10

The six thinkers whose 16-dimensional positions sit closest to this one. Useful as next-reading suggestions.

• SpinozaLIGHTHOUSE

  God or Nature. Everything that is, is in God. Freedom is understanding necessity.

• Gottlob FregeCARTOGRAPHER

  Begriffsschrift — logic born again as the foundation of arithmetic.

• David LewisCARTOGRAPHER

  On the Plurality of Worlds — every possibility is a real world.

• Jenann IsmaelCARTOGRAPHER

  The self as a temporal pattern — physics meets first-person experience.

• Nick BostromCARTOGRAPHER

  Superintelligence — existential risk from misaligned optimization.

• David ChalmersCARTOGRAPHER

  The hard problem of consciousness. Why is there something it is like to be? Property dualism.

Concepts where Derek Parfit sits in the conversation. Each links to a primer.

• Utilitarianism
  The right action is the one that produces the greatest happiness for the greatest number.
• Personal identity
  You at 5, you at 25, you at 75 — what makes them all "you"?

Short exercises in the same tradition as Derek Parfit's thought. Each takes 5–25 minutes.

• Argument mapping →

  Draw the structure of an argument as boxes and arrows. See its load-bearing walls.

• Reductio ad absurdum →

  Take a claim seriously, run it to its logical limit, see if you still believe it.

• Counterexample drill →

  Try to break a moral rule with a single concrete case.