Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished
~~(F || (F /\ r /\ F /\ r) || q || ~~p)
logic.propositional.absorpor
~~(F || q || ~~p)
logic.propositional.falsezeroor
~~(q || ~~p)
logic.propositional.notnot
~~(q || p)