Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
q || ~~(~~p /\ ~~p) || (F /\ r)
⇒ logic.propositional.falsezeroandq || ~~(~~p /\ ~~p) || F
⇒ logic.propositional.falsezeroorq || ~~(~~p /\ ~~p)
⇒ logic.propositional.notnotq || (~~p /\ ~~p)
⇒ logic.propositional.idempandq || ~~p
⇒ logic.propositional.notnotq || p