On Tue, 8 Feb 2005 11:12:40 +0800, Autrijus Tang <[EMAIL PROTECTED]> wrote: > On Mon, Feb 07, 2005 at 05:33:06PM +0100, Miroslav Silovic wrote: > > my $a = (0 | 6); > > say 4 < $a and $a < 2; > > Yup. My mathematic intuition cannot suffer that: > > 4 < X < 2 > > to be true in any circumstances -- as it violates associativity. > If one wants to violate associativity, one should presumably *not* > use the chained comparison notation!
Indeed. It smells like "relational" algebra, so we can confirm this intuition with a rather familiar example: select * from $a cross join $b cross join $c where a < b and b < c Looks right to me! I look forward to the SQL query construction modules in Perl6. :) Ashley
