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