Exercise logic.propositional.dnf
Description
Proposition to DNF
Derivation
q || ~~(~~p /\ ~~p) || (F /\ r)
⇒ logic.propositional.notnotq || (~~p /\ ~~p) || (F /\ r)
⇒ logic.propositional.idempandq || ~~p || (F /\ r)
⇒ logic.propositional.notnotq || p || (F /\ r)