Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

¬(q → (p ∨ p)) ↔ ((r ↔ s) ∨ ¬¬¬s)