Combining Texts

Ideas for 'fragments/reports', 'Do Conditionals Have Truth Conditions?' and 'The Structure of Objects'

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3 ideas

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

13288

Consequence is truth-preserving, either despite substitutions, or in all interpretations [Koslicki]

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

14506

'Roses are red; therefore, roses are colored' seems truth-preserving, but not valid in a system [Koslicki]

5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens

8078	Modus ponens is one of five inference rules identified by the Stoics [Chrysippus, by Devlin]