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.implies [TVar \"p\",TVar \"q\"],TCon logic1.implies [TVar \"q\",TVar \"r\"]],TCon logic1.implies [TVar \"p\",TVar \"r\"]])" Focus "Just (TList [TList [TCon logic1.implies [TVar \"p\",TVar \"q\"],TCon logic1.implies [TVar \"q\",TVar \"r\"]],TCon logic1.implies [TVar \"p\",TVar \"r\"]])" Environment