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PLEASE DO 1.11 a and e 1.11 Using Definition (1.12) of the assignment statement on page 18, determine preconditions for the following statements and postconditions.

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PLEASE DO 1.11 a and e

1.11 Using Definition (1.12) of the assignment statement on page 18, determine preconditions for the following statements and postconditions. Statement Postcondition T:= x +7 +y > 20 (b) I!= r - 1 22 +2.r=3 (c) - 1 (2 + 1)(x - 1) = 0 y:=r+y y = 2 y = 1+ y y=x+y T: - 1.11 Using Definition (1.12) of the assignment statement on page 18, determine preconditions for the following statements and postconditions. Statement Postcondition T:= x +7 +y > 20 (b) I!= r - 1 22 +2.r=3 (c) - 1 (2 + 1)(x - 1) = 0 y:=r+y y = 2 y = 1+ y y=x+y T

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