[Tugindia] zero nbh and Power set symbol

Bhaskaracharya Pratishthana bhaskara_p at vsnl.com
Wed Nov 19 06:20:08 CET 2003


E. Krishnan wrote:
>>Also to denote zero neighbour hood.
> This I don't understand. Can you explain what you mean?

This is the symbol which like shell or curve starts from point and after 
following circular path 1 rotation then instead of closing the circle it 
smoothly go for outer circular path...like concentric circle put not 
exaclty circles...difficult to explain.

Manjusha Joshi

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