See Herstein 1964, page 1: "An algebraic system may be described as a set of objects along with some operations for combining them". Esposito, John L. (2000). The Oxford History of Islam. Oxford University Press. p. T. F. Hoad, ed. 2003). "Algebra". The Concise Oxford Dictionary of English Etymology. Oxford: Oxford University Press. See Boyer 1991, Europe in...
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