Algebra symbol

This topic has 2 replies, 1 voice, and was last updated 16 years, 6 months ago by Chris Clemens.

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December 7, 2009 at 1:56 pm #10109

Chris Clemens
Keymaster

The symbol ⇔ for if and only if. What are the characters for this.

December 7, 2009 at 2:58 pm #20112

Chris Clemens
Keymaster

Rule XXI §156b shows the construction of this double shaft arrow with arrowhead on either end.

[braille]$[77o

December 9, 2009 at 1:46 pm #20113

Chris Clemens
Keymaster

That is just too much. :\:
I looked and looked for that symbol.
Thank you.
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