Combining Philosophers

Ideas for Dougherty,T/Rysiew,P, Cappelen,H/Dever,J and Mark Colyvan

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2 ideas

4. Formal Logic / E. Nonclassical Logics / 2. Intuitionist Logic

17926

Rejecting double negation elimination undermines reductio proofs [Colyvan]

17925

Showing a disproof is impossible is not a proof, so don't eliminate double negation [Colyvan]