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