fact: Definition divdiff_ind {T} (P: ne_list T → Prop) (Pone: ∀ p, P (ne_list.one p)) (Ptwo: ∀ p q, P (p ::: ne_list.one q)) (Pmore: ∀ a b l, P (a ::: l) → P (b ::: l) → P (a ::: b ::: l)): forall l, P l.
imports: CoRN.model.totalorder.QposMinMax Unicode.Utf8 Setoid Arith List Program Permutation metric2.Classified CSetoids CPoly_ApZero CPoly_Degree CRArith CRArith_alg Qmetric Qring CReals Ranges stdlib_omissions.Pair stdlib_omissions.Q list_separates SetoidPermutation CRings