Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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