Open mzeuner opened 7 months ago
The fact that morphisms preserve finite sums is proven for rings only but does already hold for monoids! The lemma should be proven in Monoid.BigOp first and then for semirings and rings using the result for monoids.
Monoid.BigOp
See: https://github.com/agda/cubical/pull/1082/files#diff-6fe4c83e4a023cad8085df9b73979dbf43c990f3f2987d9975c27931ac6c28d8R61
The fact that morphisms preserve finite sums is proven for rings only but does already hold for monoids! The lemma should be proven in
Monoid.BigOp
first and then for semirings and rings using the result for monoids.