CoCalc -- isomorph.ipynb

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ParseError: KaTeX parse error: \newcommand{\lt} attempting to redefine \lt; use \renewcommand

Many groups may appear to be different at first glance, but can be shown to be the same by a simple renaming of the group elements. For example, ${\mathbb Z}_4$ and the subgroup of the circle group ${\mathbb T}$ generated by $i$ can be shown to be the same by demonstrating a one-to-one correspondence between the elements of the two groups and between the group operations. In such a case we say that the groups are isomorphic.

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