Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

T ∧ ¬((r ∨ (¬r ∧ ¬r)) ∧ r)

⇒ logic.propositional.absorpand

T ∧ ¬r

⇒ logic.propositional.truezeroand

¬r