Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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