Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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