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Revision difference : groupoid (category theoretic) |
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| A \emph{groupoid}, also known as a \emph{virtual group}, is a small category where every morphism is invertible. |
A \emph{groupoid}, also known as a \emph{virtual group}, is a small category where every morphism is invertible. |
| There is also \PMlinkname{another concept}{Groupoid} with the same name. |
There is also \PMlinkname{another concept}{Groupoid} with the same name. |
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