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 23PS

Compute the weakest precondition for each of the following assignment statements and postconditions:

  1. a. a = 2 * (b - 1) - 1 {a > 0}
  2. b. b = (c + 10) / 3 {b > 6)
  3. c. a = a + 2 * b - 1{a > 1}
  4. d. x = 2 * y + x - 1 {x > 11}
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