08Bxx
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08Bxx Varieties [See also 03C05] {Info & Stats}
- 08B05 Equational logic, Mal′cev (Mal′tsev) conditions
- 08B10 Congruence modularity, congruence distributivity
- 08B15 Lattices of varieties
- 08B20 Free algebras
- 08B25 Products, amalgamated products, and other kinds of limits and colimits [See also 18A30]
- 08B26 Subdirect products and subdirect irreducibility
- 08B30 Injectives, projectives
- 08B99 None of the above, but in this section
