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B Method Training – Level 1: Understand B

 B Training Resources

UNDERSTAND B

OBJECTIVES :

  • Understand the fundamental principles of Method B.
  • Discover Language B.

AUDIENCE :

  • Any person who wishes to understand the principles of Method B and discover its benefits.
  • Any person who must participate in the development of a B project or who wishes to review B models.

PREREQUISITES :

  • Knowledge of general principles relating to the development cycle of a system or software (specification concepts).
  • Basic IT knowledge.
  • Mathematical knowledge of a scientific secondary education level.

PROGRAM

1 – B METHOD PRINCIPLES

  • Definition of B: a formal specification and design method with proof that may reach a concrete level (C internet code, ADA).
  • Advantage of formal specifications and the building of a model through the systematic description of its properties.
  • Modularity and hierarchy concepts: a B model is built in a modular manner, its properties are introduced hierarchically.
  • Validation through proof: proof guarantees conformity with invariant properties; it is exhaustive in ensuring that the code complies with its specifications.
  • B Method benefits.
  • Description of the main uses of B in industry.

2 – B LANGUAGE

Description of elements constituting the B Language:

  • predicates,
  • mathematical expressions (integers, Boolean, enumerations, sets, relations, functions),
  • substitutions that form the dynamic of the modeled system.

The three types of B components (abstract machines, sophistication and implementation).

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