<*mathematics*> A function f : X -> Y is additive if

for all Z <= X f (lub Z) = lub { f z : z in Z }(f "preserves lubs"). All additive functions defined over cpos are continuous.

("<=" is written in LaTeX as \subseteq, "lub" as \sqcup ).

Last updated: 1995-02-03

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**Nearby terms:**
AD/Cycle « ADD 1 TO COBOL GIVING COBOL « ADDD « **additive** » address » address bus » addressed call mode

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Copyright Denis Howe 1985