14 lines
235 B
Markdown
14 lines
235 B
Markdown
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Compare with Monoid
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A Monoid is a triplet \\((E,∙,e)\\) s.t.
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- \\(E\\) a set
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- \\(∙:E×E→E\\)
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- \\(e:1→E\\)
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Satisfying
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- \\(x∙(y∙z) = (x∙y)∙z, ∀x,y,z∈E\\)
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- \\(e∙x = x = x∙e, ∀x∈E\\)
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