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