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Primal extensions of universal algebras

✍ Scribed by R. Arthur Knoebel


Publisher
Springer-Verlag
Year
1970
Tongue
French
Weight
256 KB
Volume
115
Category
Article
ISSN
0025-5874

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We investigate internal groupoids and pseudogroupoids in varieties of universal algebras, and we give a new description of internal groupoids in congruence modular varieties. We then prove that in any congruence modular variety an algebraically central extension is categorically central. The convers