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