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logicprooffitch-proofs

Formal proof for P → Q ≡ ¬P ∨ Q in Fitch


I'm trying to construct a formal proof for 'P → Q ≡ ¬P ∨ Q' in Fitch. I know this is true, but how do I prove it?


Solution

  • I finally managed to solve it:

    enter image description here

    fairly straight forward actually