Exercise logic.propositional.consequence
Description
Prove that formula is a logical consequence of a set of formulas
Firsts
Rule logic.propositional.demorganand Location [1,1,0] Term "Just (TList [TList [TCon logic1.or [TCon logic1.not [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.or [TCon logic1.not [TVar \"p\"],TCon logic1.not [TVar \"q\"]],TCon logic1.or [TCon logic1.not [TVar \"p\"],TCon logic1.not [TVar \"r\"]]]]])" Focus "Just (TCon logic1.or [TCon logic1.not [TVar \"p\"],TCon logic1.not [TVar \"q\"]])" Environment