Combining Philosophers

Ideas for Peter Geach, Gottfried Leibniz and Aristotle

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5 ideas

5. Theory of Logic / D. Assumptions for Logic / 1. Bivalence

21593

In talking of future sea-fights, Aristotle rejects bivalence [Aristotle, by Williamson]

22154

For Aristotle bivalence is a feature of reality [Aristotle, by Boulter]

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

1701	A prayer is a sentence which is neither true nor false [Aristotle]

12363

Everything is either asserted or denied truly [Aristotle]

5. Theory of Logic / D. Assumptions for Logic / 3. Contradiction

2111	Falsehood involves a contradiction, and truth is contradictory of falsehood [Leibniz]