Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

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