Question

Can we say that : infinity = infinity ?

Answer 1

infinity is not a number

Answer 2

\[\large{\frac{2}{0} =\frac{1}{0} = \infty }\]

Answer 3

U may talk about the cardinality of some set being equal to that of some other set.

Answer 4

2/0 and 1/0 are not defined (because infinity is not a number)

Answer 5

then what is infinity sir?

Answer 6

Whatever u define it as (provided that definition does not create inconsistency)

Answer 7

Wikipedia says : it can be often referred to as number but it is not exactly a number like real numbers.

Answer 8

Infinity is not a number.

Answer 9

OK, got it now! Thanks @estudier sir and @nincompoop

Answer 10

yw

Answer 11

I always do, I wonder is there anything real in this world? Or all are just imaginary.. Do 1 exist ? Do 2 exist? :)

Answer 12

Philosophy forum --->

Answer 13

That was only comment sir, no discussion is likely to be carried on here on that comment. Thanks!

Answer 14

What mathematics does (in the usual model) is to posit (stipulate) the existence of an infinite set (the natural numbers).

Then all the other infinite sets used by mathematics follow on from that axiom.

Answer 15

No, infinity is not a number. And 1/0 is not infinity.

Answer 16

Short and sweet ^

Answer 17

Thanks Shelly.

Answer 18

:)

Answer 19

Once upon a time, maths and physics were the same subject....

Answer 20

Aleph number
\[\large\aleph\]