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advanced_tools:category_theory:monoids

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advanced_tools:category_theory:monoids [2017/11/10 09:43]
jakobadmin [Student]
advanced_tools:category_theory:monoids [2017/11/10 10:43] (current)
jakobadmin [Student]
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 +A monoid is a generalisation of [[advanced_tools:​group_theory|group]],​ in that the
 +requirement that each element has an inverse is dropped.
  
 <​blockquote>​what is a category with one object? It is a "​monoid"​. The usual definition of a monoid is this: a set M with an associative binary product and a unit element 1 such that a1 = 1a = a for all a in S. [...] <​blockquote>​what is a category with one object? It is a "​monoid"​. The usual definition of a monoid is this: a set M with an associative binary product and a unit element 1 such that a1 = 1a = a for all a in S. [...]
advanced_tools/category_theory/monoids.1510303401.txt.gz ยท Last modified: 2017/12/04 08:01 (external edit)