Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬((¬¬q ∧ T) → p) ↔ ¬¬((r ↔ s) ∨ ¬s)

⇒ logic.propositional.notnot

¬((q ∧ T) → p) ↔ ¬¬((r ↔ s) ∨ ¬s)