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References to 'free group'
1. adjoint functor by mps
2. algebraic categories without free objects by Algeboy
3. Baer-Specker group by CWoo
4. Cayley graph by Mathprof
5. characterization of ordered groups of rank one by rspuzio
6. characterizing CM-fields using Dirichlet's unit theorem by rm50
7. Chomsky normal form by rspuzio
8. conditional distribution of multi-variate normal variable by stevecheng
9. connected category by CWoo
10. counterexamples for products and coproduct by Algeboy
11. cyclically reduced by CWoo
12. differential form by rmilson
13. dihedral group by rmilson
14. discriminant by rspuzio
15. elliptic function by alozano
16. examples of groups by AxelBoldt
17. exterior algebra by rmilson
18. finitely generated group by yark
19. fractional ideal by djao
20. Frattini subset by Algeboy
21. free algebra by CWoo
22. free associative algebra by Algeboy
23. free Boolean algebra by CWoo
24. free product by yark
25. freely generated inductive set by CWoo
26. HNN extension by juanman
27. homomorphism of languages by CWoo
28. homotopy category by bci1
29. Hopfian group by yark
30. hyperbolic group by Wkbj79
31. interpretation of well-formed formulas by CWoo
32. lattice in $\mathbb{R}^n$ by alozano
33. Lindenbaum-Tarski algebra by CWoo
34. matroid by mps
35. Minkowski's theorem by alozano
36. Nielsen-Schreier theorem by yark
37. orthogonality relations by mhale
38. precategory by CWoo
39. presentation of a group by rmilson
40. proof of embedding theorem for ordered abelian groups of rank one by rspuzio
41. proof of fundamental theorem of finitely generated abelian groups by puuhikki
42. proof of Nielsen-Schreier theorem and Schreier index formula by mathcam
43. proof of Scott-Wiegold conjecture by whm22
44. proof of the ring of integers of a number field is finitely generated over $\mathbb{Z}$ by rm50
45. real tree by GrafZahl
46. reduced word by Mazzu
47. Rosetta biogroupoids by bci1
48. Schreier index formula by yark
49. Schreier's lemma by Algeboy
50. substitution by CWoo
51. topic entry on the algebraic foundations of mathematics by bci1
52. topological manifold by juanman
53. transfinite derived series by yark
54. transversals / lifts / sifts by Algeboy
55. universal mapping property by MichaelMcCliment
56. variable category by bci1
57. variety of groups by yark
58. word by juanman