Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

¬T ∨ ¬(r ∧ (r ∨ (¬r ∧ ¬r)))

⇒ logic.propositional.absorpand

¬T ∨ ¬r

⇒ logic.propositional.nottrue

F ∨ ¬r

⇒ logic.propositional.falsezeroor

¬r