Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished
¬¬((T ∧ ¬((q ∨ q) → p)) ↔ ((r ↔ s) ∨ ¬s))
logic.propositional.idempor
¬¬((T ∧ ¬(q → p)) ↔ ((r ↔ s) ∨ ¬s))