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