Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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