Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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