Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

q || ~~(F /\ r) || ~(F || ~p)
logic.propositional.falsezeroor
q || ~~(F /\ r) || ~~p
logic.propositional.notnot
q || (F /\ r) || ~~p
logic.propositional.falsezeroand
q || F || ~~p
logic.propositional.falsezeroor
q || ~~p
logic.propositional.notnot
q || p