Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
(F /\ r) || ~~(~~p || p) || q
⇒ logic.propositional.falsezeroandF || ~~(~~p || p) || q
⇒ logic.propositional.falsezeroor~~(~~p || p) || q
⇒ logic.propositional.notnot~~p || p || q
⇒ logic.propositional.notnotp || p || q
⇒ logic.propositional.idemporp || q