Exercise

Exercise logic.propositional.consequence

Description
Prove that formula is a logical consequence of a set of formulas

((~r /\ q) || ~~r) /\ ((~r /\ q) || ~q) => p -> (q || r)

ready: no

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initial=TList [TCon logic1.equivalent [TCon logic1.not [TVar "r"],TVar "q"]]

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