Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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