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References to 'arrows relation'
1. alternative definition of small category by bci1
2. analytics and formal logics in meta-mathematics by bci1
3. arrow category by CWoo
4. Brandt groupoid by CWoo
5. category theory by archibal
6. complex systems biology by bci1
7. compositions of natural transformations by CWoo
8. derivation tree of a derivation by CWoo
9. dual category by CWoo
10. dual of a coalgebra is an algebra, the by mps
11. Erd\H{o}s-Rado theorem by Henry
12. geometrization of $\mathbb{R}^n$ by rspuzio
13. inclusion mapping by Koro
14. mathematics vocabulary by matte
15. non-deterministic finite automaton by mps
16. partially ordered algebraic system by CWoo
17. path integral by slider142
18. proof of characterization of connected compact metric spaces. by paolini
19. proof of Ramsey's theorem by mathcam
20. proof of Yoneda lemma by GodelsTheorem
21. pullback bundle by bwebste
22. quantum chromodynamics (QCD) by bci1
23. quiver by mathangel
24. Ramsey's theorem by mathcam
25. Ramsey-theoretic proof of the Erd\H{o}s-Szekeres theorem by mps
26. supercategory by bci1
27. supercategory theories by bci1
28. tournament by yark
29. universal mapping property by MichaelMcCliment
30. vector by rmilson
31. vector field by mathcam
32. visualizations of exterior forms by rmilson