Algebra symbol

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Viewing 3 posts - 1 through 3 (of 3 total)
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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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Viewing 3 posts - 1 through 3 (of 3 total)

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