Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
Final term is not finished
~~(~~p || q || (F /\ r))
⇒ logic.propositional.falsezeroand~~(~~p || q || F)
⇒ logic.propositional.falsezeroor~~(~~p || q)
⇒ logic.propositional.notnot~~(p || q)