Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
![](http://ideas.cs.uu.nl/images/external.png)
(F /\ T /\ r) || ~~(p || p) || q
⇒ logic.propositional.falsezeroandF || ~~(p || p) || q
⇒ logic.propositional.falsezeroor~~(p || p) || q
⇒ logic.propositional.notnotp || p || q
⇒ logic.propositional.idemporp || q