Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
((q -> r) -> (T /\ q)) || 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