Combining Texts

All the ideas for 'What is so bad about Contradictions?', 'Paradoxes of the Infinite' and 'De aequopollentia causae et effectus'

expand these ideas     |    start again     |     specify just one area for these texts

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4 ideas

2. Reason / B. Laws of Thought / 3. Non-Contradiction

9123	Someone standing in a doorway seems to be both in and not-in the room [Priest,G, by Sorensen]

4. Formal Logic / F. Set Theory ST / 1. Set Theory

9987	An aggregate in which order does not matter I call a 'set' [Bolzano]

6. Mathematics / A. Nature of Mathematics / 5. The Infinite / a. The Infinite

10856

A truly infinite quantity does not need to be a variable [Bolzano]

8. Modes of Existence / C. Powers and Dispositions / 1. Powers

12735

Everything has a fixed power, as required by God, and by the possibility of reasoning [Leibniz]