Symbol of corropsendance
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As a rule, a correspondence is denoted by a triple and one may write or in place of . Instead of "correspondence" the term "binary relation" , or "relation between setsrelation" is sometimes used (in the general case where and need not coincide).
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As a rule, a correspondence is denoted by a triple and one may write or in place of . Instead of "correspondence" the term "binary relation" , or "relation between setsrelation" is sometimes used (in the general case where and need not coincide)
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