has_zero_object (view)
8 rows sorted by category descending
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| category ▲ |
|---|
| Vect_k |
| Set* |
| Rng |
| Mod(Ab) |
| Grp |
| FinVect_k |
| FinGrp |
| Ab |
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CREATE VIEW "has_zero_object" AS select distinct enrichments.category from enrichments join categorical_structure using (category)
where homs = 'Set*' and construction in ("initial object", "terminal object");