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15
Math.TechQA.Club
2026-04-15 01:06:54
53
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Shouldn't $A \times B$ appear as a last step?
Published on
15 Apr 2026 - 1:06
#category-theory
99
Views
Is the codmain of a surjection smaller?
Published on
11 Apr 2026 - 19:24
#category-theory
144
Views
Is it a general principle that all categories obtained in this way have initial and terminal objects?
Published on
16 Apr 2026 - 3:45
#category-theory
3.8k
Views
Difference between large and small categories
Published on
15 Apr 2026 - 11:50
#category-theory
1.3k
Views
Is it possible to make any abelian group homomorphism into a linear map?
Published on
16 Apr 2026 - 11:05
#group-theory
#category-theory
#modules
305
Views
cogroup object in the category of pointed set.
Published on
15 Apr 2026 - 19:06
#abstract-algebra
#category-theory
296
Views
Cofiltered limit of $T_0$ and quasi compact spaces is again quasi compact.
Published on
11 Apr 2026 - 9:50
#general-topology
#algebraic-geometry
#category-theory
1k
Views
Prove that category has all finite products.
Published on
17 Apr 2026 - 9:04
#category-theory
2k
Views
Is the Euclidean plane equal to $\mathbb{R}^2$?
Published on
12 Apr 2026 - 10:45
#geometry
#category-theory
397
Views
Equaliser of equal arrows
Published on
12 Apr 2026 - 7:52
#category-theory
40
Views
Category with "all equalisers"
Published on
16 Apr 2026 - 2:45
#category-theory
1.3k
Views
Terminal objects as "nullary" products
Published on
12 Apr 2026 - 19:10
#category-theory
72
Views
The existence of the product of a morphism from the quotient of an equivalence relation.
Published on
14 Apr 2026 - 17:30
#category-theory
#limits-colimits
#universal-property
364
Views
All finite products in a category
Published on
17 Apr 2026 - 2:30
#category-theory
196
Views
Why multicategories?
Published on
13 Apr 2026 - 11:15
#category-theory
#intuition
#motivation
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