Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

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