Combining Texts

Ideas for 'fragments/reports', 'The Sublime and the Good' and 'The Tarskian Turn'

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2 ideas

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]

15341

Deduction Theorem: ψ only derivable from φ iff φ→ψ are axioms [Horsten]