Leon
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 Apr29 awarded Notable Question Apr22 awarded Nice Question Apr19 awarded Yearling Jan30 awarded Nice Question Jan29 comment TIKZ mathematical diagram: arrows should have a common source Thank you, works nice! Jan29 accepted TIKZ mathematical diagram: arrows should have a common source Jan29 comment TIKZ mathematical diagram: arrows should have a common source @Ignasi: Umm, that places the endpoints of edges at the third $e$ (the middle of $e_{14}e_{15}e_{24}e_{25}$) so there is overlapping. Jan29 asked TIKZ mathematical diagram: arrows should have a common source Oct24 asked symbol for multiset Sep24 awarded Autobiographer Sep8 awarded Notable Question Jul2 awarded Curious Jun28 awarded Popular Question Jun26 awarded Notable Question Jun2 awarded Popular Question Apr19 awarded Yearling Mar9 accepted triangle like \textcorner Mar8 comment triangle like \textcorner Now it works perfectly in superscript. Just two more requests. Why must I use M_n^{\triangleu} instead of M_n^\triangleu? Why are both symbols in M_n^{\triangleu}\triangleu of the same size? Mar8 comment triangle like \textcorner Applying \reflectbox provides a way too enlarged symbol. Also, the triangle is positioned too high (overlapping with the text from the line above). Mar8 comment triangle like \textcorner None of the packages I already have suffice for this? At this rate, each new symbol I incorporate requires a new package. Also, why doesn't \newcommand{\utriangle}{\text{\linethickness{.1ex}\setlength{\unitlength}{.8ex} \begin{picture}(1,1)(0,-1) \polygon(0,1)(1,0)(1,1) \end{picture}}} suffice?