Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

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