Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished
(¬(¬q ∨ p) ↔ ((¬F ∧ (r ↔ s)) ∨ ¬s)) ∧ T
logic.propositional.notfalse
(¬(¬q ∨ p) ↔ ((T ∧ (r ↔ s)) ∨ ¬s)) ∧ T