You're replying to a comment by Muzietto.

December 15, 2012, 07:33

Good read! You see all this clearly, and I dare ask for more :-)
One intriguing thing about chapter 9 is to discover that the first way that comes to head for simplifying the value function (by factoring out (make-length make-length)) results in a function which enters an infinite loop BEFORE even starting the actual computation.
Have you got an explanation for this (apart from just saying "hey, it happens!" as the book does)? Is this something general about factoring out f(f)? or does it happen just here?
I trust it is a general problem with f(f), but I've thought long about it without coming to a conclusion. Your view will be greatly appreciated.
Thank you and have a good day.

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