Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

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