Question

what does | mean in math?

Answer 1

depends on context

Answer 2

a|b means that a is a factor of b

|a| means absolute value of a

P(A|B) means probability of A or B

Answer 3

and also it sometimes means "such that " as in {x | x > 0}

Answer 4

and sometimes its just a typo lol

Answer 5

and actually
\[P(A|B)\] means the probability of A given B , not A or B

Answer 6

just thought would mention it.