Definition:Completely Irreducible
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Definition
Let $\struct {S, \preceq}$ be an ordered set.
Let $p \in S$.
An element $p$ is completely irreducible if and only if
- $p^\succeq \setminus \set p$ admits a minimum element
where $p^\succeq$ denotes the upper closure of $p$.
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 WAYBEL16:def 3