"This principle, which is thus made the foundation of the operations and results of Symbolical Algebra, has been called "The principle of the permanence of equivalent forms", and may be stated as follows: "Whatever algebraical forms are equivalent, when the symbols are general in form but specific in value, will be equivalent likewise when the symbols are general in value as well as in form.""
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Religious leadersUniversity of Cambridge alumniFellows of the Royal SocietyUniversity of Cambridge facultyMathematicians from England
Original Language: English
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Vol. II: On Symbolical Algebra and its Applications to the Geometry of Position (1845) Ch. XV, p. 59
https://en.wikiquote.org/wiki/George_Peacock
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George Peacock
George Peacock (April 9, 1791 – November 8, 1858) was an English mathematician and author of books on mathematics and a biography of Thomas Young. He became a deacon, then priest, in the Church of England, and later, Vicar of Wymewold and Dean of Ely cathedral, Cambridgeshire. He was also professor of astronomy at the University of Cambridge.
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