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