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References to 'canonical projection'
1. abelianization by yark
2. balanced category by CWoo
3. canonical by mathcam
4. characterization of prime ideals by GrafZahl
5. enough projectives by CWoo
6. example of an Artinian module which is not Noetherian by joking
7. examples of equalizers by CWoo
8. examples of monics by CWoo
9. fibre by mathcam
10. free product with amalgamated subgroup by mathcam
11. kernel of a morphism by CWoo
12. local finiteness is closed under extension, proof that by yark
13. Poincar\'e $1$-form by matte
14. product topology and subspace topology by matte
15. subdirect product of rings by CWoo
16. transversals / lifts / sifts by Algeboy