Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

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