Question

{ } ? {0}
What symbol am I supposed to replace the question mark with??

Answer 1

it denotes null set

Answer 2

\[\phi \]

Answer 3

i knonw that, but what should the symbol in between the null and the zero be

Answer 4

subset

Answer 5

Thanks a ton! :D

Answer 6

becoz null set is a subset or evey set

Answer 7

welcome...

Answer 8

but what if it was an equation where both sides were a null? would it still be subset?

Answer 9

yes...... every set is a subset of itself

Answer 10

thank you :D