fact: Definition SF_seq_f2 {T : Type} (f2 : R -> R -> T) (P : seq R) : SF_seq := mkSF_seq (head 0 P) (pairmap (fun x y => (y, f2 x y)) (head 0 P) (behead P)).
imports: Coq(Reals Psatz ssreflect ssrbool) mathcomp(seq) Rcomplements Rbar Lub Hierarchy