Canonical Structure S_pulb_diese := Build_Map S_pulb_map_law.

(* Specifications: *)
Lemma S_pulb_law2 : Pullback_law2 S_pulb_p S_pulb_diese.
Lemma S_pulb_law3 : Pullback_law3 S_pulb_q S_pulb_diese.
Lemma S_pulb_law4 : Pullback_law4 S_pulb_p S_pulb_q S_pulb_diese.