Ordered by appearance in the text.
Last updated 9/9/96.
Send additional errors and comments to: zbigniew@cs.yorku.ca
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page xvi: change ``Natural Science and Engineering Council of Canada''
to ``Natural Sciences
and Engineering Research
Council of Canada''
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page xvi: change ``Rainer'' to ``Reiner''
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page 106: change ``partial order'' on line 6 to ``preorder''
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page 195: change ``Bazz'' to ``Baaz''
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