Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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