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