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1.5 ISO Compliance

SICStus Prolog is fully compliant with the International Standard ISO/IEC 13211-1 (PROLOG: Part 1—General Core) ( as augmented by Technical Corrigenda 1 and 2.

To aid programmers who wish to write standard compliant programs, built-in predicates and arithmetic functors that are part of the ISO Prolog Standard are annotated with [ISO] in this manual.

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