Philosophical Investigations

Ludwig Wittgenstein's magnum opus revolutionizes our understanding of language, meaning, and mind. Published posthumously in 1953 and ranked as the most important philosophy book of the twentieth century, this work replaces static theories of language with a dynamic understanding of meaning as embedded in human practice. Through thought experiments and probing questions, Wittgenstein dissolves traditional philosophical problems rather than solving them, offering a therapeutic approach to philosophy that has influenced fields from linguistics to cognitive science.

7 sections ยท 27 lessons

Course outline

Language Critique

  1. The Augustinian Picture
  2. The Builder's Game
  3. Ostensive Definition
  4. Language Games
  5. Meaning as Use
  6. Language Critique

Family Resemblance

  1. Against Essentialism
  2. Family Resemblance
  3. The Thread Analogy
  4. Blurred Boundaries
  5. Family Resemblance

Rule-Following

  1. Understanding as Ability
  2. The Deviant Pupil
  3. The Paradox
  4. Practice Over Interpretation
  5. Forms of Life
  6. Rule-Following

Private Language

  1. The Private Language Concept
  2. The Diary Case
  3. Beetle in the Box
  4. Sensations and Criteria
  5. Private Language

Mind and Experience

  1. Against Inner Objects
  2. Pain and Expression
  3. Intention and Action
  4. Mind and Experience

Aspect Perception

  1. Seeing and Seeing-As
  2. The Duck-Rabbit
  3. Aspect Blindness
  4. Aspect Perception

Philosophy as Therapy

  1. The Fly-Bottle
  2. Description Over Theory
  3. Methods as Therapies
  4. Philosophy as Therapy

Start learning with Wondering