Combining Texts

All the ideas for 'fragments/reports', 'works' and 'Wittgenstein'

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10 ideas

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

20768

Like spiderswebs, dialectical arguments are clever but useless [Ariston, by Diog. Laertius]

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]

15. Nature of Minds / A. Nature of Mind / 4. Other Minds / d. Other minds by analogy

7091	The argument from analogy is not a strong inference, since the other being might be an actor or a robot [Grayling]

23. Ethics / C. Virtue Theory / 2. Elements of Virtue Theory / f. The Mean

3049	The chief good is indifference to what lies midway between virtue and vice [Ariston, by Diog. Laertius]

23. Ethics / D. Deontological Ethics / 1. Deontology

3549	Ariston says rules are useless for the virtuous and the non-virtuous [Ariston, by Annas]