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Posted on Aug 31, 2024

4. Convert the following EBNF to BNF: (4 marks) {, } [(+ | -) ] a | b | c 5. Compute the weakest precondition

4. Convert the following EBNF to BNF: (4 marks) {, } [(+ | -) ] a | b | c 5. Compute the weakest precondition for each of the following assignment statement and postconditions: a. b = (c + 10) / 3 {b > 6} (4 marks) b. x = x + a - 3 {x > (a - 2) * (a + 1)} (4 marks)

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