Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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