Question

was thinking all of these are called phi ?
\(\Huge \phi \\\Huge \varnothing \\ \Huge \emptyset \\ \)

Answer 1

Correct.

Answer 2

any diffrence ?

Answer 3

hmmm
the last one is not phi haha
that's a zero with slash

Answer 4

LOL

Answer 5

hahaha funny you :P

Answer 6

well that's true is it not? haha
that one is empty set notation, yes?
the one is the middle idk what that is xD

Answer 7

in the middle*

Answer 8

well last two symbols , are both used for empty set , which is called phi xD
unlike the first one which is called phi but not been used in the empty set

Answer 9

you forgot this one hehe

Answer 10

and who is that lady xD

Answer 11

what lady are you talking about? haha

Answer 12

she is phi relative hahaha

Answer 13

i saw that one before, idk where though hehe

Answer 14

haha xD

Answer 15

isn't this one phi too
too many notation for phi xD

Answer 16

yeah small one