Ideas of Peter Unger, by Theme

[American, fl. 1975, Professor at New York University.]

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7. Existence / D. Theories of Reality / 9. Vagueness / c. Vagueness as semantic
Vague predicates lack application; there are no borderline cases; vague F is not F
9. Objects / A. Existence of Objects / 5. Simples
There are no objects with proper parts; there are only mereological simples
13. Knowledge Criteria / C. External Justification / 6. Contextual Justification / b. Invariantism
The meaning of 'know' does not change from courtroom to living room
13. Knowledge Criteria / D. Scepticism / 1. Scepticism
No one knows anything, and no one is ever justified or reasonable
13. Knowledge Criteria / D. Scepticism / 4. Demon Scepticism
An evil scientist may give you a momentary life, with totally false memories