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A comment on Why There Is No Hitchhiker’s Guide to Mathematics for Programmers. Parent comment

Re:Why There Is No Hitchhiker’s Guide to Mathematics for Pro... by mrob on Thursday February 18, 2016 @08:12PM (#11130804)
"equality operator"
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Re:Why There Is No Hitchhiker’s Guide to Mathematics for Pro... by exgrv on Thursday February 18, 2016 @09:58PM (#11131247)
Except it is not the equality operator, but a special case of an indicator function (c.f. comment by pash).
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