Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

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