A copyeditor's typesetting tip: use \colon, not :, for math mappings
bremen79 · x · 2026-10-28
A small typesetting detail learned from a book copyeditor: math mappings should use LaTeX's \colon (f \colon \mathbb{R} \to \mathbb{R}) rather than a plain colon (f : \mathbb{R} \to \mathbb{R}), which gets the spacing right.
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