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What is it called when you use something in one branch of an if to prove that something had to be true or false because of it in the second branch. For example
(endp x) ^ (if (endp x) ......)
<-->
(endp x)^(if t .....)
Justin Pope
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Mar 30, 2010, 12:52:18 PM3/30/10
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to utexas-cs313k-spring2010
if-ax1 for t if-ax2 for nil
page 113 in the book
Kev.Zand
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Mar 30, 2010, 12:55:14 PM3/30/10
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to utexas-cs313k-spring2010
Actually, use the if-t and if-nil. It saves steps.