Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

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

⇒ logic.propositional.notfalse

((F ∨ T) ∧ ¬(q → p)) ↔ ((r ↔ s) ∨ ¬s)