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Edit history of sicp-ex-2.11

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42015-01-13 12:07:28+1 -1 line(s)[View this version, source] [Diff to previous]
The reason for change is when you have a case (-10 -6) (-5 8). it should be make-interval (x-lo y-up) (x-lo y-lo)
32013-06-19 21:52:37+45 -0 line(s)[View this version, source] [Diff to current|previous]
comment by jsdalton
22010-01-22 15:03:11+6 -0 line(s)[View this version, source] [Diff to current|previous]
ADD: navigatioin
12007-12-24 06:29:16+159 -0 line(s)[View this version, source] [Diff to current|previous]
initial long-winded draft
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