×

lim→∞

∪

→

≥

P∪ P∩

P

lim→

lim→

log log log

×

∞

lim→∞

lim→∞

≥

≥

×××

ABCD

CD E AB F G

EF EGEF FG

EFG

DA

EF

P

BC GE Q

EDP PFA QBG EQC

FG A B GE C

EF

D

ABCD

ABCD

lim→∞

≥

ㄱ

ㄴ

ㄷ

ㄱ ㄱ ㄴ ㄱ ㄷ

ㄴ ㄷ ㄱ ㄴ ㄷ

≤≤

P

∩

P∩

P∩PP

××

lim→∞

lim

→

≤

≤

≤≤

≠

∘

C

P

P

∅

≥

≤

≥

≤

≥

≥

∘