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) ∧ ¬¬s) ∨ ¬((r ↔ s) ∨ ¬s)))) ∧ T