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