Exercise logic.propositional.cnf.unicode

Description
Proposition to CNF (unicode support)

Derivation

Final term is not finished

T ∧ ¬((r ↔ ¬¬r) ∧ (F ∨ (T ∧ r)))

⇒ logic.propositional.notnot

T ∧ ¬((r ↔ r) ∧ (F ∨ (T ∧ r)))