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References to 'ordering relation'
1. angle by CWoo
2. Archimedean ordered fields are real by rspuzio
3. canonical ordering on pairs of ordinals by CWoo
4. fundamental theorem of arithmetic, proof of the by mps
5. hyperreal by djao
6. integer by CWoo
7. MacNeille completion by CWoo
8. motivation for von Neumann ordinals by yark
9. natural number by djao
10. ordered ring by djao
11. ordering of self-adjoints by asteroid
12. ordinal number by yark
13. proof of basic theorem about ordered groups by rspuzio
14. proof of Krein-Milman theorem by georgiosl
15. rational number by djao
16. real number by djao
17. relational system by CWoo