English-Finnish translations for venn diagram

A diagram representing some sets by contours of closed shapes, such as circles or ellipses , and indicating the relationships between the sets: by overlapping the shapes to show that the corresponding sets have a non-empty intersection, and by possibly enclosing all of the sets within a universal set ; such that the total number of simply connected regions is $2^n$ , where ''n'is the number of depicted sets which are proper subsets of the universal set

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