Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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