Infinite cancellative commutative monoids
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Monoids with two generators and one relation
2 unique, 9 total
Σ
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Presentation
Description
Related
3
7
⟨
a
,
b
|
aa
=
b
⟩
Isomorphic to ℕ
7 iso
4
22
⟨
a
,
b
|
ba
=
ab
⟩
Isomorphic to ℕ ⊕ ℕ