Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

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