Exercise logic.propositional.consequence
Description
Prove that formula is a logical consequence of a set of formulas
Firsts
Rule logic.propositional.complor Location [1,1,1,1] Term "Just (TList [TList [TVar \"q\"],TCon logic1.and [TCon logic1.or [TCon logic1.and [TVar \"p\",TCon logic1.and [TVar \"q\",TVar \"p\"]],TCon logic1.not [TCon logic1.and [TVar \"p\",TVar \"q\"]]],TCon logic1.and [TCon logic1.true [],TCon logic1.and [TCon logic1.or [TVar \"q\",TCon logic1.not [TVar \"p\"]],TCon logic1.true []]]]])" Focus "Just (TCon logic1.true [])" Environment Rule logic.propositional.truezeroand Location [1,1] Term "Just (TList [TList [TVar \"q\"],TCon logic1.and [TCon logic1.or [TCon logic1.and [TVar \"p\",TCon logic1.and [TVar \"q\",TVar \"p\"]],TCon logic1.not [TCon logic1.and [TVar \"p\",TVar \"q\"]]],TCon logic1.and [TCon logic1.or [TVar \"q\",TCon logic1.not [TVar \"p\"]],TCon logic1.or [TVar \"p\",TCon logic1.not [TVar \"p\"]]]]])" Focus "Just (TCon logic1.and [TCon logic1.or [TVar \"q\",TCon logic1.not [TVar \"p\"]],TCon logic1.or [TVar \"p\",TCon logic1.not [TVar \"p\"]]])" Environment