Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

Derivation

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