Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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