�ﾆ醯鯣ﾅiﾇPﾅj
ﾉ大v饂ﾇﾃ�ﾆ醯鯣ﾇﾃ萼ﾅF
{ aﾅCb }
{ a }
{ b }
R
P
a
a
Q
a
{ aﾅCb }
{ a, b }
{ b }
R
P
b
a
a
Q
a
b
b
b
b
b
�Oﾇﾃ�ﾗｾ滿
鵈ﾇﾃ�ﾗｾ滿
迚鞣ﾇﾃ�ﾗｾ滿ﾇ寄ﾇﾈ
ｽﾞﾗﾃｮﾘｽ�ﾇﾃ�\鮓