I'm reading a paper and $H$ is an algebra and $M$ is a set. And then they define $M|H$ to be the "$H$-module $M$". Is it obvious what this is or is it bad math description? My guess is the free $H$-module generated by the set $M$.
2026-02-23 05:39:34.1771825174
Algebra-module over a set, is there such a thing?
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