Exercise logic.propositional.cnf.unicode
Description
Proposition to CNF (unicode support)
Derivation
Final term is not finished
¬(T ∧ r ∧ r ∧ (r ↔ (T ∧ ¬¬r ∧ ¬¬r)))
⇒ logic.propositional.idempand¬(T ∧ r ∧ r ∧ (r ↔ (T ∧ ¬¬r)))
⇒ logic.propositional.notnot¬(T ∧ r ∧ r ∧ (r ↔ (T ∧ r)))