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