Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
T /\ (~~q || ~~~~(p -> q) || p)
⇒ logic.propositional.truezeroand~~q || ~~~~(p -> q) || p
⇒ logic.propositional.notnotq || ~~~~(p -> q) || p
⇒ logic.propositional.notnotq || ~~(p -> q) || p
⇒ logic.propositional.notnotq || (p -> q) || p
⇒ logic.propositional.defimplq || ~p || q || p