Combining Texts

All the ideas for 'Clitophon', 'Merely Possible Propositions' and 'On the General Idea of Proof Theory'

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

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5 ideas

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

13827

Logical consequence isn't a black box (Tarski's approach); we should explain how arguments work [Prawitz]

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

13826

Model theory looks at valid sentences and consequence, but not how we know these things [Prawitz]

9. Objects / A. Existence of Objects / 4. Impossible objects

14617

Predicates can't apply to what doesn't exist [Stalnaker]

19. Language / D. Propositions / 3. Concrete Propositions

14616

A 'Russellian proposition' is an ordered sequence of individual, properties and relations [Stalnaker]

22. Metaethics / B. Value / 2. Values / f. Altruism

1590	The just man does not harm his enemies, but benefits everyone [Plato]