Question

what does the ∈ mean in x ∈ all reals?

Answer 1

that x is IN the set of real numbers.

Answer 2

belongs to

Answer 3

is an element of

Answer 4

has parties with...

Answer 5

would equals be a similar answer?

Answer 6

No. That would be a wrong answer.

Answer 7

x "is an element of" the set of all reals

Answer 8

Because no single real number equals all real numbers :P.

Answer 9

\[\epsilon \] in x E all reals mean x belongs to all real numbers!!!!!!!!!

Answer 10

Just type \in
\[\in\]