Intersection. This is used in set theory to refer to those members of two sets which are common to both. e.g. the intersection of { p a n s y } and { p r i m u l a } is { p a } In a Venn diagram (a graphical representation of sets) it is the overlap of two shapes.
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That's a u
In sets it means intersects. like what is common in both sets
It is used in set theory to indicate intersection. The intersection of two sets, A and B, is the set of all elements that are in A as well as in B.
(the shape is an upside down 'u').
It would either be a big upside-down ' V ', or else a big upside-down ' U '. The distance from the starting point would start at zero, then it would grown and grow and grow for a while, then stop growing, and then it would shrink and shrink and shrink, until it was zero again.