Definition:Compact Subset of Lattice
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Definition
Let $L = \struct {S, \vee, \preceq}$ be a bounded below join semilattice.
Compact subset of $S$, denoted $\map K L$, equals to the set of all compact elements of $S$.
Sources
- 1980: G. Gierz, K.H. Hofmann, K. Keimel, J.D. Lawson, M.W. Mislove and D.S. Scott: A Compendium of Continuous Lattices
- Mizar article WAYBEL_8:def 1