| 06-XX |
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Order, lattices, ordered algebraic structures [See also 18B35] |
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06Axx |
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Ordered sets |
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06A05 |
Total order |
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06A06 |
Partial order, general |
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06A07 |
Combinatorics of partially ordered sets |
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06A11 |
Algebraic aspects of posets [See also 05E25] |
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06A12 |
Semilattices [See also 20M10; for topological semilattices see 22A26] |
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06A15 |
Galois correspondences, closure operators |
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06A99 |
None of the above, but in this section |
