mathlib

511aa358 - feat(algebra/pointwise): add partial order to `set_semiring` (#11567)

feat(algebra/pointwise): add partial order to `set_semiring` (#11567) This PR introduces the natural inclusion order on sets on `set_semiring`. [Zulip discussion](https://leanprover.zulipchat.com/#narrow/stream/113488-general/topic/Ordered.20semirings) Co-authored-by: Damiano Testa <maskal@CLD-E854D68C.ads.warwick.ac.uk> Co-authored-by: Eric Rodriguez <ericrboidi@gmail.com> Co-authored-by: Eric Wieser <wieser.eric@gmail.com>