Vienna Definition Language

(VDL) IBM Vienna Labs. A language for formal, algebraic definition via operational semantics. Used to specify the semantics of PL/I. See also VDM.

["The Vienna Definition Language", P. Wegner, ACM Comp Surveys 4(1):5-63 (Mar 1972)].

Nearby terms:

videotexVienna Definition LanguageVienna Definition Method

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