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