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References to 'free module'
1. $n$-chain by mps
2. abelian group is divisible if and only if it is an injective object by joking
3. Baer-Specker group by CWoo
4. cellular homology by bwebste
5. characterizing CM-fields using Dirichlet's unit theorem by rm50
6. cohomology of small categories by whm22
7. direct summand by CWoo
8. dual space by Daume
9. exact sequences for modules with finite projective dimension by joking
10. example of a projective module which is not free by joking
11. example of exact functor by CWoo
12. finitely generated modules over a principal ideal domain by yark
13. free associative algebra by Algeboy
14. free group by yark
15. free module by Mathprof
16. free modules over a ring which is not a PID by joking
17. free objects in concrete categories by joking
18. Heisenberg algebra by GrafZahl
19. linear extension by GrafZahl
20. locally free by mps
21. motivic cohomology by CWoo
22. product of posets by CWoo
23. projective module by antizeus
24. proof of basis of ideal in algebraic number field by lalberti
25. proof of invertible ideals are projective by gel
26. Riemann-Hurwitz theorem by alozano
27. simplicial complex by djao
28. Steinberg group by dublisk
29. tensor product basis by lars_h
30. tensor product of dual spaces is a dual space of tensor product by joking
31. term algebra by CWoo
32. the ring of integers of a number field is finitely generated over $\mathbb{Z}$ by alozano
33. Thurston's geometrization conjecture by PrimeFan
34. universal coefficient theorem by mps
35. variety of groups by yark