Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished
¬(((¬¬r ↔ (r ∧ r)) ∨ (¬¬r ↔ r)) ∧ T ∧ r)
logic.propositional.idempand
¬(((¬¬r ↔ r) ∨ (¬¬r ↔ r)) ∧ T ∧ r)