Combining Texts

Ideas for 'Demonstratives', 'Introduction to Mathematical Philosophy' and 'Metaphysics'

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8 ideas

10. Modality / B. Possibility / 1. Possibility

15769

Anything which is possible either exists or will come into existence [Aristotle]

15779

Possibility is when the necessity of the contrary is false [Aristotle]

10. Modality / B. Possibility / 4. Potentiality

15777

A 'potentiality' is a principle of change or process in a thing [Aristotle]

15778

Things are destroyed not by their powers, but by their lack of them [Aristotle]

14544

Potentialities are always for action, but are conditional on circumstances [Aristotle]

15774

We recognise potentiality from actuality [Aristotle]

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]