📚 Recommended Mathematics Books

Topology (Munkres)  |  General Topology (Engelking)  |  Counterexamples in Topology  |  Rudin's Analysis

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From a new version of preprint of my book:

Corollary 7.18
If $latex f$ and $latex g$ are composable reloids, then
$latex g \circ f = \bigsqcup \left\{ G \circ F \, | \, F \in
\mathrm{atoms}\, f, G \in \mathrm{atoms}\, g \right\}$.