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/zed/ 1. (After Zermelo-Fränkel set theory) A specification language developed by the Programming Research Group at Oxford University around 1980. Z is used for describing and modelling computing systems. It is based on axiomatic set theory and first order predicate logic. Z is written using many non-ASCII symbols. It was used in the IBM CICS project.

See also Z++.

["Understanding Z", J.M. Spivey, Cambridge U Press 1988].

2. A stack-based, complex arithmetic simulation language from ZOLA Technologies.

(1995-08-11)