setbuilder – Mathematical sets with correctly scaled braces and separator

The package provides a \set command for set-builder notation: \set{x \in \mathbb{R} \given x^2 < 2}. The separator (a vertical bar, or a colon with the colon option) is typeset with correct thin spaces, which automatically vanish in sub- and superscripts. The starred form \set* scales the braces and the separator together; \set[\Big] sets a fixed size. A synonym=<name> package option defines the same command under a different name, e.g. when \set is already taken by another package. The package is based on mathtools.

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