Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
((~q /\ (F || ~(p -> q))) -> p) /\ T
⇒ logic.propositional.defimpl((~q /\ (F || ~(~p || q))) -> p) /\ T
⇒ logic.propositional.demorganor((~q /\ (F || (~~p /\ ~q))) -> p) /\ T
⇒ logic.propositional.falsezeroor((~q /\ ~~p /\ ~q) -> p) /\ T
⇒ logic.propositional.notnot((~q /\ p /\ ~q) -> p) /\ T