Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished
(~(q -> r) || q || r) /\ ((~(q -> r) /\ T) || q || r)
logic.propositional.truezeroand
(~(q -> r) || q || r) /\ (~(q -> r) || q || r)
logic.propositional.defimpl
(~(q -> r) || q || r) /\ (~(~q || r) || q || r)
logic.propositional.demorganor
(~(q -> r) || q || r) /\ ((~~q /\ ~r) || q || r)
logic.propositional.notnot
(~(q -> r) || q || r) /\ ((q /\ ~r) || q || r)