Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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