The description of vacuous evaluation for AND operator is exactly the same as for OR operator - it looks for me like clasic copy&paste error: There is: "an evaluation attempt of a property of the form prop_expr1 and prop_expr2 is non-vacuous iff either the underlying evaluation attempt of prop_expr1 is non-vacuous or either the underlying evaluation attempt of prop_expr2 is non-vacuous." IMHO there should be: "an evaluation attempt of a property of the form prop_expr1 and prop_expr2 is non-vacuous iff both the underlying evaluation attempt of prop_expr1 and propr_expr2 is non-vacuous" DANiel -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.Received on Tue Nov 27 07:50:06 2007
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