, .
, (6)
.. Q
(.1)
:
, (6) , :
.
. , .
1. F(x2,y2)+F(x1,y1)-F(x1,y2) - F(x2,y1) ≥0, 1≤2, 1≤2 (7)
2. F(x, y) .
3. F(x, y) .
4. F(x, y) :
F (+∞, +∞) = F(, y) =1,
1-4, , . , F(, ), 1-4, (ξ,η).
(ξ,η) , .
. (ξ,η) F(x,y) ,
p(x, y) ,
F(x, y) = . (8)
p(,) ( ) (ξ, η).
p(x, y) .
p(,y)≥0, . (9)
p(,), (9), , (8).
(8) ,
p(,) = . (10)
, , ((ξ,η) ), - , .
,
Fξ (x)= .
(7) :
P(x1≤ξ≤x2, y1≤η≤y2) = , (11)
Q - (. .1).
, , (ξ,η) () G
P (() G)= . (12)
p(x,y) G μ (G) ,
p(x,y) =
,
P ((ξ,η) B)) B ∩ G G:
. (13)
, , (. 7 .1).