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The process that a procedure generates is of course dependent on the
rules used by the interpreter. As an example, consider the iterative
gcd procedure given above.
Suppose we were to interpret this procedure using normal-order
evaluation, as discussed in section 1.1.5.
(The normal-order-evaluation rule for
if is described in
exercise 1.5.) Using the
substitution method (for normal order), illustrate the process
generated in evaluating
(gcd 206 40) and indicate the
remainder operations that are actually performed.
remainder operations are actually performed
in the normal-order evaluation of
(gcd 206 40)?
In the applicative-order evaluation?