Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
Final term is not finished
T /\ ((q -> r) -> (q || r))
⇒ logic.propositional.defimplT /\ (~(q -> r) || q || r)
⇒ logic.propositional.defimplT /\ (~(~q || r) || q || r)
⇒ logic.propositional.demorganorT /\ ((~~q /\ ~r) || q || r)
⇒ logic.propositional.notnotT /\ ((q /\ ~r) || q || r)
⇒ logic.propositional.absorporT /\ (q || r)