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How to Sketch Quasivarieties

✍ Scribed by Jiřı́ Adámek

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
198 KB
Volume
185
Category
Article
ISSN
0021-8693

No coin nor oath required. For personal study only.

✦ Synopsis

We introduce the concept of separated limit sketch and prove that quasivarieties of algebras are precisely the categories sketchable by separated limit sketches. We also characterize categories sketchable by product-mono sketches as precisely the quasivarieties with effective -strong equivalence relations.

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