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