Combining Texts

All the ideas for 'Extrinsic Properties', 'What is an Idea?' and 'works'

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10 ideas

3. Truth / A. Truth Problems / 2. Defining Truth

10153

In everyday language, truth seems indefinable, inconsistent, and illogical [Tarski]

3. Truth / G. Axiomatic Truth / 1. Axiomatic Truth

19141

Tarski thought axiomatic truth was too contingent, and in danger of inconsistencies [Tarski, by Davidson]

5. Theory of Logic / A. Overview of Logic / 4. Pure Logic

10048

There is no clear boundary between the logical and the non-logical [Tarski]

5. Theory of Logic / B. Logical Consequence / 4. Semantic Consequence |=

10694

Logical consequence is when in any model in which the premises are true, the conclusion is true [Tarski, by Beall/Restall]

10479

Logical consequence: true premises give true conclusions under all interpretations [Tarski, by Hodges,W]

6. Mathematics / B. Foundations for Mathematics / 3. Axioms for Geometry

10157

Tarski improved Hilbert's geometry axioms, and without set-theory [Tarski, by Feferman/Feferman]

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]

18. Thought / C. Content / 2. Ideas

19423

By an 'idea' I mean not an actual thought, but the resources we can draw on to think [Leibniz]