Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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