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Non-axiomatizability of real general affine geometry - MaRDI portal

Non-axiomatizability of real general affine geometry (Q3960663)

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Non-axiomatizability of real general affine geometry
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    Non-axiomatizability of real general affine geometry (English)
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    1979
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    restrictions of the affine plane over R to convex open subsets
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    elementary theory
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    recursive axiomatizability
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