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    The theorem that was none - I. Early history
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    Abstract:
    The early history of the Vogt-Russell theorem is retraced following its route starting at the realization of a correlation between mass and luminosity of binary and pulsating stars, through the embossing of this observation into a theorem, and finally to the emerging first signs of its failure to serve as a theorem in the strict mathematical sense of the word.
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    Realization (probability)
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    Minimal realization
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