Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

(¬(q → (¬¬p ∧ T)) ↔ ((r ↔ s) ∨ ¬s)) ∧ T

⇒ logic.propositional.notnot

(¬(q → (p ∧ T)) ↔ ((r ↔ s) ∨ ¬s)) ∧ T