Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished
¬(((T ∧ (r ↔ r) ∧ T ∧ r) ∨ (r ↔ r)) ∧ ((T ∧ T ∧ (r ↔ r) ∧ T ∧ r ∧ T) ∨ T) ∧ ((T ∧ (r ↔ r) ∧ T ∧ r) ∨ r))