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