Concepts of Programming Languages (11th Edition)
Concepts of Programming Languages (11th Edition)
11th Edition
ISBN: 9780133943023
Author: Robert W. Sebesta
Publisher: PEARSON
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Chapter 3, Problem 27RQ

Explanation of Solution

Axiomatic semantics to prove the correctness of a given program:

A given assignment condition with both pre and post condition can be considered a logical statement. On applying an assignment axiom to the postcondition and the assignment statement, produces the given precondition, and complete theorem is produced.

Example:

{x>3}x=x3{x

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