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