Course Solutions Uncategorized (Solved) : 2 Use Proof Rules Chapters 9 10 Rb Well Selected Portions Chapter 3 Baber Derive Precondit Q30000584 . . . .

(Solved) : 2 Use Proof Rules Chapters 9 10 Rb Well Selected Portions Chapter 3 Baber Derive Precondit Q30000584 . . . .

 

2. Use the proof rules of Chapters 9 and 10 in RB as well as selected portions in Chapter 3 of Baber to derive preconditions for the following postconditions and program statements. Show full workings. 2.3 1?) if even(x) -x:-X-1 I x is an even integer ? odd(x) ? z: = z+yX 1/ x is an odd integer 2.4 {?) while 02 x 2 -2 do x:-X-1 endwhile fx- -3) Feel free to rewrite any of the above statements into their guarded-command equivalents before calculating their respective preconditions.

2. Use the proof rules of Chapters 9 and

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