Volume VII: Knowledge

• Belief Edmund Gettier
• Certainty Ludwig Wittgenstein
• Deduction Aristotle
• Demonstration Aristotle
• Doubt René Descartes
• Evidence C.S. Peirce
• Experiment Francis Bacon
• Explanation Carl Hempel
• Fact David Hume
• Hypothesis Karl Popper
• Induction David Hume
• Inference C.S. Peirce
• Inquiry C.S. Peirce
• Intuition Henri Bergson
• Justification Alvin Plantinga
• Knowledge Immanuel Kant
• Knowledge Francis Bacon
• Knowledge Michael Polanyi
• Knowledge Confucius
• Method René Descartes
• Observation Karl Popper
• Opinion Plato
• Proof Euclid
• Revelation Thomas Aquinas
• Tacit Knowledge Michael Polanyi
• Testimony Thomas Reid
• Truth Aristotle
• Truth G. W. F. Hegel
• Truth William James
• Truth Friedrich Nietzsche
• Understanding Wilhelm Dilthey
• Wisdom Socrates

Closing Entries

• Fallibility Karl Popper
• Learned Ignorance Nicholas of Cusa
• Skepticism David Hume