Convention:Function composition

From Groupprops
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This article is about a convention that is followed in this wiki. The aim is that every page on the wiki follows this convention unless explicitly stated otherwise on the page; however, in practice, this may not have been implemented
Also see switching between the left and right action conventions for background on the differences between various conventions.

In Groupprops, the notation fg always denotes g, followed by f. In other words, if g:AB, and f:BC are maps, then fg denotes the composite map from A to C.

This convention for function composition also explains the corresponding convention for group action.