Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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