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I have seen the answer to this question. However there it only shows how to draw square shaped commutative diagrams. Can someone tell me how to draw a diamond shaped one? That is how can I draw one that is rotated by $45$ degrees?

Thank you.

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    $\begingroup$ Presheaf, which was mentioned in this answrer could serve as a workaround for things which cannot be done in MathJax. $\endgroup$ – Martin Sleziak Feb 13 '16 at 13:49
  • $\begingroup$ @MartinSleziak, thank you. I did not notice that last answer. This is what I am looking for. $\endgroup$ – R_D Feb 13 '16 at 14:15

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