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