Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

¬(r ↔ r) ∨ (T → (¬(r ∧ (r ↔ r) ∧ T ∧ r) ∨ ¬((r ↔ r) ∧ T ∧ T ∧ r ∧ (r ↔ r) ∧ T))) ∨ ¬r