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