Name: è¿Ÿç„•æ? Date: 12/25/19-07:53:56 AM Z

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You missed a dot between DiracSlash[a] and DiracSlash[b]. BTW, I would
recommend using GS[a] instead of DiracSlash[a] for simplicity.

On Tue, Dec 24, 2019 at 7:15 AM Xin Chen <[noreply_at_HIDDEN-E-MAIL]> wrote:

> Dear FeynCalc author,
>
> I input Tr[ DiracSlash[a] DiracSlash[b]] and expect to get 4(a.b), but
> actually get 0 by FeynCalc. Could you help?
>
> Thanks,
> -Xin
>
>

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