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