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