order relations domain and range report
Nell ' set of pairs a report
R
, the first element of each pair belongs to the domain of the report, the second element of each pair belongs to codomain of the report.
Given a pair (x, y), y is said to be controimmagine of y. Domain and range are subsets of other sets. Each element of the domain has an image in the codomain, and every element of the codomain has a controimmagine in the domain. Figure, A and B are two sets. Between the two sets is established a relationship. D is included in A, and is the domain of the report. C is included in B, which is the range of the report.
0 comments:
Post a Comment