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Revise the axiomatic description of the sample language to include the Boolean expressions of Exercise 12.19. Exercise 12.19 The sample language has unusual semantics for

Revise the axiomatic description of the sample language to include the Boolean expressions of Exercise 12.19.

Exercise 12.19

The sample language has unusual semantics for if- and while-statements, due to the absence of Boolean expressions. Add Boolean expressions such as x = 0, true, y > 2 to the sample language, and describe their semantics in (a) operational and (b) denotational terms.

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