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.idempor~~p || q
⇒ logic.propositional.notnotp || q