**The intersection is where the circles overlap.**

**Upside down u in math**. If you’ve got through this article and you’re still feeling confused about the maths, chances are, you don’t need to worry. In math what does the upside down you thing mean? The math symbols from the union and intersection question in the reader’s question, the “v”.

A ∪ b means everything in a and b; What is an upside down u in math?aug 5, 2019the intersection of two sets are all the elements that appear in both sets. Confirmed in 1960, the prefix comes from the greek.

A ∩ b means the things that. The symbol for intersection is an. What is u and upside down u in math?

This is used in set theory to refer to those members of two sets which are common to both. Similarly, what does the u stand for? The ∀ symbol may look like the familiar capital “a” written upside.

The intersection of { p a n s y } and { p r i m u l a } is { p a } in a venn.