SOLUTION: What does m with a backwards E with a line thru it mean?

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Question 520721: What does m with a backwards E with a line thru it mean?
Answer by Edwin McCravy(20055) About Me  (Show Source):
You can put this solution on YOUR website!


∃ means "There exist(s)...".  To make it type & # 8 7 0 7 ; without spaces



∄ means "There does not exist...".  Type & # 8 7 0 8 ; without spaces



⋺ means "such that".       Type & # 8 9 5 4 ; without spaces.



Edwin