Combining Texts

All the ideas for 'Extrinsic Properties', 'Mathematics: Form and Function' and 'On the spiritual perfection of life'

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

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5 ideas

2. Reason / C. Styles of Reason / 1. Dialectic

22102

Arguing with opponents uncovers truths, and restrains falsehoods [Aquinas]

4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / a. Axioms for sets

18189

ZFC could contain a contradiction, and it can never prove its own consistency [MacLane]

8. Modes of Existence / B. Properties / 4. Intrinsic Properties

14979

Being alone doesn't guarantee intrinsic properties; 'being alone' is itself extrinsic [Lewis, by Sider]

15454

Extrinsic properties come in degrees, with 'brother' less extrinsic than 'sibling' [Lewis]

9. Objects / A. Existence of Objects / 5. Individuation / b. Individuation by properties

15455

Total intrinsic properties give us what a thing is [Lewis]