| 21. | Thus the normal affine space is the plane of equation.
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| 22. | Affine geometry can also be developed on the basis of linear algebra.
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| 23. | They are also useful for the study of affine curves.
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| 24. | When parallel lines are taken as primary, synthesis produces affine geometry.
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| 25. | An affine space of dimension 2 is an affine plane.
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| 26. | An affine space of dimension 2 is an affine plane.
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| 27. | A set with an affine structure is an affine space.
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| 28. | A set with an affine structure is an affine space.
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| 29. | Affine varieties are almost never complete ( or projective ).
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| 30. | This will be an affine subspace of parallel to the kernel of.
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