Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

¬(q → p) ↔ ((¬s ∨ (r ↔ ¬¬s)) ∧ T)

⇒ logic.propositional.notnot

¬(q → p) ↔ ((¬s ∨ (r ↔ s)) ∧ T)

⇒ logic.propositional.defequiv

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