Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬(q → p) ↔ ((r ↔ s) ∨ ¬(T ∧ s) ∨ ¬¬F)

⇒ logic.propositional.notnot

¬(q → p) ↔ ((r ↔ s) ∨ ¬(T ∧ s) ∨ F)