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