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⎛
⎝
ρ
⎞
⎠
⎛
⎝
1
w
j
⎞
⎠
⎛
⎝
1
w
j
⎞
⎠
1
1
ρ
1
1
m
m
F
n
κ
α
j
,λ
α
j
(α
j
)
)
ρ
≤
−
−
μ
−
1
−
−
−
(
1
−
v
F
n
κ
α
j
,λ
α
j
(α
j
)
j
=
1
j
=
1
(1.382)
GIFPWAF
w
(α
1
,α
2
,...,α
m
)
α
∗
GIFPWAF
w
(α
1
,α
2
,...,α
m
)
Let
α
=
and
=
,
then by Eq. (
1.382
), we have
(α
F
n
)
S
(α
F
n
)
≤
S
(1.383)
(α
F
n
)
If
S
(α
F
n
)<
S
, then by using Xu and Yager (2006)'s ranking method, we
have
GIFPWAF
w
(α
1
,α
2
,...,α
m
)<
GIFPWAF
w
(α
1
,α
2
,...,α
m
)
(1.384)
(α
F
n
)
If
S
(α
F
n
)
=
S
, then
⎛
⎝
ρ
⎞
⎠
⎛
⎝
1
w
j
⎞
⎠
⎛
⎝
1
)
)
ρ
w
j
⎞
1
ρ
1
1
1
m
m
−
μ
F
n
⎠
−
−
1
−
−
−
(
1
−
v
F
n
κ
α
j
,λ
α
j
(α
κα
j
,λα
j
(α
j
)
j
j
=
1
j
=
1
⎛
⎝
ρ
⎞
⎠
⎛
⎝
1
w
j
⎞
⎠
⎛
⎝
1
w
j
⎞
⎠
1
1
ρ
−
1
1
m
m
−
μ
F
n
κ
α
j
,λ
α
j
(α
j
)
)
ρ
=
−
1
−
−
−
(
1
−
v
F
n
κ
α
j
,λ
α
j
(α
j
)
j
=
1
j
=
1
(1.385)
Since
μ
F
n
κ
α
j
,λ
α
j
(α
j
)
≤
μ
F
n
and
v
F
n
κ
α
j
,λ
α
j
(α
j
)
≥
v
F
n
, for all
j
, then
κ
α
j
,λ
α
j
(α
j
)
κ
α
j
,λ
α
j
(α
j
)
⎛
w
j
⎞
⎠
⎛
w
j
⎞
⎠
1
ρ
1
1
ρ
1
m
m
−
μ
F
n
−
μ
F
n
⎝
1
⎝
1
−
=
−
κ
α
j
,λ
α
j
(α
j
)
κ
α
j
,λ
α
j
(α
j
)
j
=
1
j
=
1
(1.386)
⎛
κ
α
j
,λ
α
j
(α
j
)
)
ρ
w
j
⎞
1
ρ
1
m
⎝
1
⎠
1
−
−
−
(
1
−
v
F
n
j
=
1
⎛
w
j
⎞
⎠
1
1
ρ
m
⎝
1
κ
α
j
,λ
α
j
(α
j
)
)
ρ
=
1
−
−
−
(
1
−
v
F
n
(1.387)
j
=
1
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