Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

~~((F /\ r) || ~~(~~p || q))

⇒ logic.propositional.notnot

(F /\ r) || ~~(~~p || q)

⇒ logic.propositional.falsezeroand

F || ~~(~~p || q)

⇒ logic.propositional.falsezeroor

~~(~~p || q)

⇒ logic.propositional.notnot

~~p || q

⇒ logic.propositional.notnot

p || q