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scientific article; zbMATH DE number 3281695
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | No label defined |
scientific article; zbMATH DE number 3281695 |
Statements
1968
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parallel axiom
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Euclid
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Proklos
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at-Tusi
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Wallis
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Saccheri
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Lambert
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Legendre
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Gauß
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Lobachevskii
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Bolyai
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Riemann
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Beltrami
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Houël
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Helmholtz
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Klein
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Clifford
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Caley
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Lie
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Calinon
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Poincaré
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Hilbert
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Einstein
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