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 /\ ~p => q
⇒ logic.propositional.compland, initial=TList [TCon logic1.and [TVar "p",TCon logic1.not [TVar "p"]]]F => q
⇒ assump-falseF /\ q => q
⇒ conj-elimq => q