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To: man-jp@jp.freebsd.org, kuriyama@opt.phys.waseda.ac.jp
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Date: Fri, 13 Mar 1998 11:38:48 +0900
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> $B=89g$NMQ8l(B

> intersection	intersection, cap
> union		union, cup

$B!V@Q=89g!W$H!VOB=89g!W$8$c$J$+$C$?$+$J$!!"1i;;$7$?7k2L$H$7$F$G$-$k=89g(B
$B$N$3$H$O!#(B

$B$G!"1i;;;R$NJ}$O!";d$N!V5AL3650i!W;~Be$K$O(B ($B$:$$$V$sA0$G$9$,(B :-) $B!V$^(B
$B$8$o$j!W$H!V$`$9$S!W$@$C$?$h$&$J!#(B

# $B!V(BA $B"A(B B$B!W$O!V$(!<!&$^$8$o$j!&$S!<!W$H$+$C$FFI$^$5$l$F$$$?$s$8$c$J$+$C(B
# $B$?$+$J$!!D!#(B

