Category
page 1Z notation
Zermelo–Fraenkel set theory
variant of ZFC, the standard axiomatic set theory
Z notation
formal specification language used for describing and modelling computing systems
CICS
IBM CICS (Customer Information Control System) is a family of mixed-language application servers that provide online transaction management and connectivity for applications on IBM mainframe systems under z/OS and z/VSE.
Mastercard Mondex
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Mondex was a smart card electronic cash system, implemented as a stored-value card and owned by Mastercard.

Jean-Raymond Abrial
French computer scientist