Definition:Meet Irreducible
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Definition
Let $\left({S, \wedge, \preceq}\right)$ be a meet semilattice.
Let $g \in S$.
Then $g$ is meet irreducible if and only if:
- $\forall x, y \in S: g = x \wedge y \implies g = x$ or $g = y$
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_6:def 2