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Math Help - symbol for cancellations

  1. #1
    Eater of Worlds
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    symbol for cancellations

    Hey there. What is the Latex code for cancellations?. Suppose we posted a

    multiplication or what not and wanted to show the strikethroughs that show

    cancellations, what is the best way. I used to use \sout but that does not

    work. I know there is a diagonal one and a horizontal one. I like the diagonal

    because it shows up best. I can not remember what it is and can not

    find it anywhere.
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  2. #2
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    Hello, galactus!


    I think you're referring to the \not command.

    . . \not a produces: \not a



    Someone showed me the \rlap command
    . . which allows us to overwrite.


    Examples

    . . \rlap{///}2ab gives us: . \rlap{///}2ab

    . . \rlap{/////}(x-y) gives us: . \rlap{/////}x-y



    I learned to add color to the cancelling:

    . . {\color{red} \rlap{///} } 2ab gives us: . {\color{red}\rlap{///}}2ab


    . . . {\color{red}\rlap{TRUE}}{\color{blue}\;false}


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