Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.truezeroand

¬(¬¬q → p) ↔ (((r ∨ r) ↔ s) ∨ ¬s)