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By default the arrow labels in tikz-cd are quite small. When the labels involve subscripts or superscripts, they can become unreadable. How can I increase the label text size for all tikz-cd diagrams in my document?

1 Answer 1

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In your preamble, add

\tikzcdset{every label/.append style = {font = \small}}

The default font size appears to be \scriptsize. Other options include (from small to larger): \tiny, \scriptsize, \footnotesize, \small, and \normalsize.

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    This seem to be valid too \tiny \scriptsize \footnotesize \small \normalsize \large \Large \LARGE \huge \Huge
    – nicolas
    Jul 4, 2019 at 16:06
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    is there a way to get this to have the exact same effect but in a specific diagram, instead of modifying each diagram in the document?
    – C Squared
    Mar 30, 2021 at 23:58
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    Yes, put the every label/.append style... in the arguments to the tikzcd environment, i.e. \begin{tikzcd}[every label/.append style = {font = \small}].
    – Ruud
    Apr 2, 2021 at 17:24

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