| Grounded Relation |
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| relational algebra | |
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For example, if ''L'' is an grounded relation over a finite sequence of sets, then ''L'' has the form ''L'' = (''F''(''L''), ''G''(''L'')), where ''F''(''L'') ⊂ ''G''(''L'') = ''X''1 × … × ''X''''k'', for some positive integer ''k''. The default assumption in almost all applied settings is that the domains of the grounded relation are Nonempty sets, hence departures from this assumption need to be noted explicitly. SEE ALSO
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