Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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