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