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