Combining Texts

All the ideas for 'Structure and Nature', 'Can there be Vague Objects?' and 'Wittgenstein's 'Tractatus Logico-Philosophicus''

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9 ideas

4. Formal Logic / A. Syllogistic Logic / 1. Aristotelian Logic

23505

Aristotelian logic cannot express 'Everyone loves someone' [White,RM]

6. Mathematics / B. Foundations for Mathematics / 7. Mathematical Structuralism / a. Structuralism

10242

I apply structuralism to concrete and abstract objects indiscriminately [Quine]

7. Existence / D. Theories of Reality / 6. Physicalism

10243

My ontology is quarks etc., classes of such things, classes of such classes etc. [Quine]

7. Existence / D. Theories of Reality / 10. Vagueness / b. Vagueness of reality

16129

Evans argues (falsely!) that a contradiction follows from treating objects as vague [Evans, by Lowe]

16459

Is it coherent that reality is vague, identities can be vague, and objects can have fuzzy boundaries? [Evans]

16457

There clearly are vague identity statements, and Evans's argument has a false conclusion [Evans, by Lewis]

16460

Evans assumes there can be vague identity statements, and that his proof cannot be right [Evans, by Lewis]

9. Objects / B. Unity of Objects / 3. Unity Problems / e. Vague objects

14484

If a=b is indeterminate, then a=/=b, and so there cannot be indeterminate identity [Evans, by Thomasson]

9. Objects / F. Identity among Objects / 6. Identity between Objects

16224

There can't be vague identity; a and b must differ, since a, unlike b, is only vaguely the same as b [Evans, by PG]