Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬¬¬¬¬(T ∧ (r ↔ r) ∧ r)

⇒ logic.propositional.defequiv

¬¬¬¬¬(T ∧ ((r ∧ r) ∨ (¬r ∧ ¬r)) ∧ r)

⇒ logic.propositional.idempand

¬¬¬¬¬(T ∧ (r ∨ (¬r ∧ ¬r)) ∧ r)

⇒ logic.propositional.absorpand

¬¬¬¬¬(T ∧ r)

⇒ logic.propositional.truezeroand

¬¬¬¬¬r