Exercise

Exercise logic.propositional.consequence

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

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

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Environment

initial=TList [TCon logic1.or [TCon logic1.and [TCon logic1.not [TVar "p"],TCon logic1.implies [TVar "r",TVar "s"]],TCon logic1.and [TVar "q",TCon logic1.implies [TVar "r",TVar "s"]]]]

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