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