Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.notnot

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