Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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