Mention393199

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so:text When an equation...clearly leads to two negative or imaginary roots, retraces his steps and shows by how by altering the equation, he can get a new one that has rational roots. ...Diophantus is a pure algebraist; and since algebra in his time did not recognize irrational, negative, and complex numbers, he rejected equations with such solutions. (en)
so:isPartOf https://en.wikiquote.org/wiki/Morris_Kline
so:description Mathematical Thought from Ancient to Modern Times (1972) (en)
qkg:hasContext qkg:Context193482
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