Combining Texts

All the ideas for 'The Concept of Logical Consequence', 'fragments/reports' and 'Interview with Baggini and Stangroom'

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8 ideas

1. Philosophy / D. Nature of Philosophy / 5. Aims of Philosophy / e. Philosophy as reason

6855	Interesting philosophers hardly every give you explicitly valid arguments [Martin,M]

2. Reason / E. Argument / 1. Argument

6856	Valid arguments can be rejected by challenging the premises or presuppositions [Martin,M]

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

18812

Split out the logical vocabulary, make an assignment to the rest. It's logical if premises and conclusion match [Tarski, by Rumfitt]

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

13344

X follows from sentences K iff every model of K also models X [Tarski]

5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models

13343

A 'model' is a sequence of objects which satisfies a complete set of sentential functions [Tarski]

12. Knowledge Sources / B. Perception / 1. Perception

6857	An error theory of perception says our experience is not as it seems to be [Martin,M]

19. Language / E. Analyticity / 1. Analytic Propositions

13345

Sentences are 'analytical' if every sequence of objects models them [Tarski]

23. Ethics / C. Virtue Theory / 3. Virtues / a. Virtues

6004	The cardinal virtues are theoretical (based on knowledge), and others are 'non-theoretical' [Hecato, by Dorandi]