Math and Arithmetic

# What does an upside down u mean in math?

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###### Wiki User

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.

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## Related Questions

In sets it means intersects. like what is common in both sets

In set theory, a "U" stands for union.A U B means objects that belong to set A or set BThe upside-down "U" (which I'm not going to be able to print here) stands for intersection, objects that belong to set A and set B

It means a vowel in the sound of an e. Such as o in gallop or u in circus.

get a pic of the large intestine and turn it upside down!! your answers right in front of u!!!!!

It is sapnish. when you write an exclamation u do this: I'm hungry! goes to &iexcl;ten go hambres!

They resemble an upside down "U" or a right side up lower-case "n"

Upside down cake is a food. It begins with the letter u.

you carry flowers up side down if this is a saying genrally u take the most simplist thing to do with it and that's ur answer

Upside-down pineapple cake is a recipe that starts with the letter U

I'm not sure what what your asking exactly, but U in math usually means "unit".

Rainbows are usually an upside down U shape.

No. It is shaped like an upside down U

because u will not be up side down u will just be at the bottom on land just like if u were living in Africa on the side of the earth on land. u will not fall down

some people think in the u shape there is a lot of luck and if you turn it upside down all the luck falls out but others think that the u shape can be a seat for witches and devils so turn it upside down!

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.

ok , so math answers mean ... that u get the answers in math for example : im lookin up "how many sides doea a hexagon have?" so u get the answers aIN YOUR SUBJECT WHICH IS ..... MATH!!

In mathematics, more specifically quadratics, it refers to "OR." As opposed to "AND", which is represented by an upside down "U", it is to be solved by drawing a graph of two (or more) lines and shading in one equation "OR" the other.

Upside down pudding (pineaple on top of sponge)

Upside-down Cat Uaru Undulated Moray Eel Unicorn crestfish Uaru, upside-down catfish and unicorn crestfish are fish species.

it depends on how long u hold the when its lite

?Quieres ser mi novio? (with an upside down ? at the beginning)

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