Homotopy Type Theory
unital Z-algebra > history (Rev #5)
Definition
A unital -algebra is an $\mathbb{Z}$-algebra with
- a term
- a left unit identity for
- a right unit identity for
Properties
A unital -algebra is an H-space in abelian groups.
Every untial -algebra where has a two-sided inverse is contractible.
Examples
See also
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