Definition:Meet Closed
Jump to navigation
Jump to search
Definition
Let $L = \left({S, \wedge, \preceq}\right)$ be a meet semilattice.
Let $X$ be a subset of $S$.
Then $X$ is meet closed if and only if
- $\forall x, y \in X: x \wedge y \in X$
Sources
- Mizar article YELLOW_0:def 16