Exercise logic.propositional.consequence
Description
Prove that formula is a logical consequence of a set of formulas
Firsts
Rule logic.propositional.defimpl Location [0,0,0] Term "Just (TList [TList [TCon logic1.and [TCon logic1.or [TCon logic1.not [TVar \"p\"],TCon logic1.or [TCon logic1.not [TVar \"q\"],TVar \"r\"]],TVar \"q\"]],TCon logic1.implies [TVar \"p\",TVar \"r\"]])" Focus "Just (TCon logic1.or [TCon logic1.not [TVar \"p\"],TCon logic1.or [TCon logic1.not [TVar \"q\"],TVar \"r\"]])" Environment