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{{TEX|done}}{{MSC|20M}}

''cancellative semi-group''

A [[semi-group]] satisfying the [[cancellation law]]:
$$
xy = xz \Rightarrow y = z \,,
$$
$$
xy = zy \Rightarrow x = z \ .
$$

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Semi-group with cancellation. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Semi-group_with_cancellation&oldid=35786

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