Q. How are operations defined in Z notation related to the state of the system?

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Q. What is the primary purpose of the Unselect operation in Zdraw?

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Q. What is the framing problem in the context of formal specifications for interactive systems?

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Q. Why is it important to explicitly state the behavior of components in operations within formal specifications?

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Q. What does the separation between system functionality and presentation mean in the context of formal specifications?

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Q. Why might adding presentation-related information to a formal specification complicate it?

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Q. What is one limitation of the model-oriented approach when dealing with separation between system functionality and presentation?

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Q. What is the main focus of algebraic notations in the context of interface specification?

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Q. How does an algebraic specification differ from a model-oriented specification like Z?

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Q. What is the purpose of the axioms in an algebraic specification?

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Q. What is the significance of the forgetful behavior of the move operation in the algebraic specification?

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Q. Which statement accurately describes the relationship between algebraic specifications and system behavior?

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Q. In algebraic notation, why does the expression read from the inside out?

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Q. What is the advantage of using an algebraic notation with an implicit state?

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Q. What is the significance of completeness in the context of axioms?

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Q. What limitation is highlighted by the absence of observation operators in the provided algebraic specification?

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Q. What solution is proposed to address the lack of observation in the algebraic specification?

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Q. Which logical operators are used in temporal logic to reason about time?

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Q. What does the statement p! (computer explodes) mean in temporal logic?

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Q. How are temporal logic operators useful in specifying properties of interactive systems?

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