[net.math] "algebra"

ken@ihuxq.UUCP (ken perlow) (02/02/84)

--
>>> While I'm at it, "algebra"
>>> is from the author of a very old algebra text, Al Jabr, or something
>>> like that (no, not Kareem).
>>> 		Roger Noe		ihnp4!ihlts!rjnoe

Not quite.  "Al-jabr" (which is Arabic) means "the reduction."
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ntt@dciem.UUCP (Mark Brader) (02/09/84)

According to page 1 of Knuth volume 1, "algebra" comes from the *title* of

	Kitab al jabr w'al muqabala
which means
	Rules of restoration and reduction.

The book was written in the 9th century by

	                         ^ ^        ^    ^
	Abu Ja`far Mohammed ibn Musa al-Khowarizmi
from whose name the word "algorithm" is derived, as noted previously.  "Abu"
means "father of", "ibn" means "son of", and "Khowa^rizm" is now Khiva, in
the Uzbek SSR.  Knuth adds that the book "isn't really very algebraic".

Mark Brader