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[□=□] □ □ □
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Here the quantifiers define the range of the variables ( some = x , and any = ( x ) ) , and the predicates represent the propositions assigned to the individual variables . Although our simple example did not illustrate it , XQuery permits join predicates , that is , WHERE clauses or XPath predicates that relate the values of multiple columns , or nodes from documents in multiple XML columns . The idea behind the proposed framework is that for each predicate the literals that can potentially be optimised are identified and collected . [ FN123 ] In each one of these pro-defense decisions , the United States Supreme Court had jurisdiction only because the Illinois appellate courts chose not to predicate the decisions on adequate and independent state grounds . The scheduler could dynamically alter which simpletons are currently active based on which predicates their attributes satisfy just as the simpletons select among entities based on which predicates the entities 's attributes satisfy .