41 relations: Alloy (specification language), APL (programming language), ASCII, Électricité de France, B-Method, Bertrand Meyer, Cambridge University Press, Community Z Tools, Computer program, Elsevier, Ernst Zermelo, Fastest, First-order logic, Formal methods, Formal specification, HOL (proof assistant), International Federation for Information Processing, International Organization for Standardization, Jean-Raymond Abrial, Lambda calculus, LaTeX, Leiden University, Microsoft Word, Model-based testing, Object Constraint Language, Object-Z, Open-source software, PDF, Programming Research Group, Set theory, Specification language, Type (model theory), Unicode, United Kingdom, Université Grenoble Alpes, University of Oxford, Vienna Development Method, Z User Group, Z++, Zermelo–Fraenkel set theory, Zip (file format).

## Alloy (specification language)

In computer science and software engineering, Alloy is a declarative specification language for expressing complex structural constraints and behavior in a software system.

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## APL (programming language)

APL (named after the book A Programming Language) is a programming language developed in the 1960s by Kenneth E. Iverson.

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## ASCII

ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.

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## Électricité de France

Électricité de France S.A. (EDF; Electricity of France) is a French electric utility company, largely owned by the French state.

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## B-Method

The B method is a method of software development based on B, a tool-supported formal method based on an abstract machine notation, used in the development of computer software.

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## Bertrand Meyer

Bertrand Meyer (born 21 November 1950) is a French academic, author, and consultant in the field of computer languages.

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## Cambridge University Press

Cambridge University Press (CUP) is the publishing business of the University of Cambridge.

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## Christmas

Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

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## Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

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## Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

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## Christmas traditions

Christmas traditions vary from country to country.

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## Community Z Tools

The Community Z Tools (CZT) initiative is based around a SourceForge project to build a set of tools for the Z notation, a formal method useful in software engineering.

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## Computer program

A computer program is a collection of instructions for performing a specific task that is designed to solve a specific class of problems.

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## Elsevier

Elsevier is an information and analytics company and one of the world's major providers of scientific, technical, and medical information.

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## Ernst Zermelo

Ernst Friedrich Ferdinand Zermelo (27 July 1871 – 21 May 1953) was a German logician and mathematician, whose work has major implications for the foundations of mathematics.

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## Fastest

Fastest is a model-based testing tool that works with specifications written in the Z notation.

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## First-order logic

First-order logic—also known as first-order predicate calculus and predicate logic—is a collection of formal systems used in mathematics, philosophy, linguistics, and computer science.

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## Formal methods

In computer science, specifically software engineering and hardware engineering, formal methods are a particular kind of mathematically based techniques for the specification, development and verification of software and hardware systems.

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## Formal specification

In computer science, formal specifications are mathematically based techniques whose purpose are to help with the implementation of systems and software.

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## HOL (proof assistant)

HOL (Higher Order Logic) denotes a family of interactive theorem proving systems using similar (higher-order) logics and implementation strategies.

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## International Federation for Information Processing

The International Federation for Information Processing (IFIP) is a global organisation for researchers and professionals working in the field of information and communication technologies (ICT) to conduct research, develop standards and promote information sharing.

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## International Organization for Standardization

The International Organization for Standardization (ISO) is an international standard-setting body composed of representatives from various national standards organizations.

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## Jean-Raymond Abrial

Jean-Raymond Abrial (born 1938) is a French computer scientist and inventor of the Z and B formal methods.

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## Lambda calculus

Lambda calculus (also written as λ-calculus) is a formal system in mathematical logic for expressing computation based on function abstraction and application using variable binding and substitution.

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## LaTeX

LaTeX (or; a shortening of Lamport TeX) is a document preparation system.

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## Leiden University

Leiden University (abbreviated as LEI; Universiteit Leiden), founded in the city of Leiden, is the oldest university in the Netherlands.

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## Microsoft Word

Microsoft Word (or simply Word) is a word processor developed by Microsoft.

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## Model-based testing

Model-based testing is an application of model-based design for designing and optionally also executing artifacts to perform software testing or system testing.

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## New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

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## New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

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## New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

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## Object Constraint Language

The Object Constraint Language (OCL) is a declarative language describing rules applying to Unified Modeling Language (UML) models developed at IBM and is now part of the UML standard.

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## Object-Z

Object-Z is an object-oriented extension to the Z notation developed at the University of Queensland, Australia.

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## Open-source software

Open-source software (OSS) is a type of computer software whose source code is released under a license in which the copyright holder grants users the rights to study, change, and distribute the software to anyone and for any purpose.

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The Portable Document Format (PDF) is a file format developed in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

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## Programming Research Group

The Programming Research Group (PRG) was part of the Oxford University Computing Laboratory (OUCL) in Oxford, England, until OUCL became the Department of Computer Science in 2011.

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## Set theory

Set theory is a branch of mathematical logic that studies sets, which informally are collections of objects.

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## Specification language

A specification language is a formal language in computer science used during systems analysis, requirements analysis and systems design to describe a system at a much higher level than a programming language, which is used to produce the executable code for a system.

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## Type (model theory)

In model theory and related areas of mathematics, a type is an object that, loosely speaking, describes how a (real or possible) element or elements in a mathematical structure might behave.

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## Unicode

Unicode is a computing industry standard for the consistent encoding, representation, and handling of text expressed in most of the world's writing systems.

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## United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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## Université Grenoble Alpes

The Université Grenoble Alpes (UGA, French: meaning "Grenoble Alps University") is a public research university in Grenoble, France.

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## University of Oxford

The University of Oxford (formally The Chancellor Masters and Scholars of the University of Oxford) is a collegiate research university located in Oxford, England.

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## Vienna Development Method

The Vienna Development Method (VDM) is one of the longest-established formal methods for the development of computer-based systems.

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## Z User Group

The Z User Group exists to promote use and development of the Z notation, a formal specification language for the description of and reasoning about computer-based systems.

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## Z++

Z++ (pronounced zee plus plus) was an object-oriented extension to the Z specification language.

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## Zermelo–Fraenkel set theory

In mathematics, Zermelo–Fraenkel set theory, named after mathematicians Ernst Zermelo and Abraham Fraenkel, is an axiomatic system that was proposed in the early twentieth century in order to formulate a theory of sets free of paradoxes such as Russell's paradox.

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## Zip (file format)

ZIP is an archive file format that supports lossless data compression.

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## 2018

2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

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## 2019

2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

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## Redirects here:

CADiZ, ISO/IEC 13568, Z (programming language), Z specification language, Zed notation, ⋿, ⦁, ⦂, ⦇, ⦈, ⦉, ⦊, ⨟, ⨠, ⨡, ⨾.