Exercise logic.propositional.consequence
Description
Prove that formula is a logical consequence of a set of formulas
Firsts
Rule initial Location [] Term "Just (TList [TList [TCon logic1.equivalent [TCon logic1.not [TVar \"r\"],TVar \"q\"]],TCon logic1.implies [TVar \"p\",TCon logic1.or [TVar \"q\",TVar \"r\"]]])" Focus "Just (TList [TList [TCon logic1.equivalent [TCon logic1.not [TVar \"r\"],TVar \"q\"]],TCon logic1.implies [TVar \"p\",TCon logic1.or [TVar \"q\",TVar \"r\"]]])" Environment