Exercise logic.propositional.consequence
Description
Prove that formula is a logical consequence of a set of formulas
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
(p || q) /\ ~q => p
⇒ fakeabsorptionnot, initial=TList [TCon logic1.and [TCon logic1.or [TVar "p",TVar "q"],TCon logic1.not [TVar "q"]]]p /\ ~q => p