Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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