Exercise logic.propositional.dnf

Description
Proposition to DNF

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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

⇒ logic.propositional.falsezeroand

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

⇒ logic.propositional.falsezeroor

q || ~~~~p

⇒ logic.propositional.notnot

q || ~~p