Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished
(¬(q → p) ∧ ((r ↔ s) ∨ ¬s)) ∨ (¬¬(q → p) ∧ ¬((r ∧ s) ∨ (¬r ∧ ¬s) ∨ ¬s))