what will call this symbol
Dear student,
This symbol is called 'phi'. In set theory, this symbol represents null set or void set or empty set which does not contain any element in it.
I hope it clears your doubt in this regard.
Regards
This symbol is called 'phi'. In set theory, this symbol represents null set or void set or empty set which does not contain any element in it.
I hope it clears your doubt in this regard.
Regards