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