Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
(q -> (r || F)) -> (q || (T /\ r))
⇒ logic.propositional.falsezeroor(q -> r) -> (q || (T /\ r))
⇒ logic.propositional.truezeroand(q -> r) -> (q || r)
⇒ logic.propositional.defimpl~(q -> r) || q || r
⇒ logic.propositional.defimpl~(~q || r) || q || r
⇒ logic.propositional.demorganor(~~q /\ ~r) || q || r
⇒ logic.propositional.notnot(q /\ ~r) || q || r
⇒ logic.propositional.absorporq || r