LaTeX name for a symbol like a capital E without the bottom half of its vertical line.
In domain theory,
x \sqsubseteq ymeans x is no more defined that y. This expression only has meaning if x and y are comparable elements of some partially ordered set.
(1994-11-24)
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Nearby terms: SQLWindows « SQR « SQRIBE « \sqsubseteq » Square » square-headed boyfriend » square-headed girlfriend