Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(((r ↔ r) ∧ r) ∨ ((r ↔ r) ∧ r) ∨ F)

⇒ logic.propositional.falsezeroor

¬(((r ↔ r) ∧ r) ∨ ((r ↔ r) ∧ r))

⇒ logic.propositional.defequiv

¬(((r ↔ r) ∧ r) ∨ (((r ∧ r) ∨ (¬r ∧ ¬r)) ∧ r))

⇒ logic.propositional.idempand

¬(((r ↔ r) ∧ r) ∨ ((r ∨ (¬r ∧ ¬r)) ∧ r))

⇒ logic.propositional.absorpand

¬(((r ↔ r) ∧ r) ∨ r)