Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

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