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