Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished
¬¬¬((q → p) ∨ (q → (p ∨ p))) ↔ ((r ↔ (s ∧ T)) ∨ ¬s)
logic.propositional.idempor
¬¬¬((q → p) ∨ (q → p)) ↔ ((r ↔ (s ∧ T)) ∨ ¬s)