[...] A category in which every morphism is an isomorphism is called a groupoid. This means that a group is a groupoid with only one object. [...]
Source: wiktionary
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[...] A category in which every morphism is an isomorphism is called a groupoid. This means that a group is a groupoid with only one object. [...]
Source: wiktionary
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.