Combining Texts

Ideas for 'The Lagoon: how Aristotle invented science', 'Introduction to Mathematical Philosophy' and 'Abstract Objects'

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2 ideas

10. Modality / B. Possibility / 8. Conditionals / c. Truth-function conditionals

12197

Inferring q from p only needs p to be true, and 'not-p or q' to be true [Russell]

14450

All forms of implication are expressible as truth-functions [Russell]