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.notnot
¬(((r ↔ r) ∨ (r ∧ r) ∨ (¬r ∧ ¬r)) ∧ T ∧ r)