Question: Let M ( x , y ) be x y > 0 , G ( x , y ) be x > y and N

Let
M
(
x
,
y
)
be
x
y
>
0
,
G
(
x
,
y
)
be
x
>
y
and
N
(
x
)
be
x
<
0
. Let the domain be {100,99,98,...,98,99,100}.
Select the correct Translation and decide its truth value of the statment.
x
!
y
(
G
(
x
,
y
)
->
(
M
(
x
,
y
)
N
(
x
)
)
)
Let
M
(
x
,
y
)
be
x
y
>
0
,
G
(
x
,
y
)
be
x
>
y
and
N
(
x
)
be
x
<
0
. Let the domain be {100,99,98,...,98,99,100}.
Select the correct Translation and decide its truth value of the statment.
x
!
y
(
G
(
x
,
y
)
->
(
M
(
x
,
y
)
N
(
x
)
)
)
Translation: For all
x
there exists some
y
such that,
x
being greater than
y
implies that their difference is greater than zero and
x
is positive. Truth value: False.
Translation: For all
x
there exists a unique
y
such that,
x
minus a
y
is greater than zero, or
x
is less than zero if
x
is greater than that unique
y
. Truth value: False
Translation: There exists some
x
and
y
where
x
is greater than
y
implies that their difference is greater than zero or
x
is negative. Truth value: True
Translation: For exactly one
y
, it is true that for all
x
such that the difference between them is positive only if
x
is negative and
x
is greater than
y
. Truth value: False

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