Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

Final term is not finished

(T ∧ ¬(p ∨ ¬q) ∧ ((r ↔ s) ∨ ¬s)) ∨ (¬¬(p ∨ ¬q) ∧ ¬((r ↔ s) ∨ ¬s))