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D( x )
x = 0
-ln(1-(1/x)) <= 0
1-(1/x) <= 0
x = 0
x = 0
-ln(1-(1/x)) <= 0
-ln(1-(1/x)) <= 0
-ln(1-x^-1) <= 0
0-ln(1-x^-1) <= 0 // - 0
-ln(1-x^-1) <= 0
-ln(1-x^-1) in (-oo:0>
-ln(1-x^-1) <= 0 // * -1
-ln(1-x^-1) >= ln(e^0)
1-x^-1 >= e^0
1-x^-1-e^0 >= 0
-1*x^-1 >= 0
-1*x^-1 >= 0 // * -1
1*x^-1 <= 0
1*x^-1 <= 0 // : 1
x^-1 <= 0/1
x^-1 <= 0
1/(x^1) <= 0
x <> 0
1/(x^1) <= 0 // * x^2
(x^2)/(x^1) <= 0
x^1 <= 0
x <= 0
x in (-oo:0)
1-(1/x) <= 0
1-(1/x) <= 0
1-x^-1 <= 0
-1*x^-1 <= -1
-1*x^-1 <= -1 // * -1
1*x^-1 >= 1
1*x^-1 >= 1 // : 1
x^-1 >= 1/1
x^-1 >= 1
1/(x^1) >= 1
x <> 0
1/(x^1) >= 1 // * x^2
(x^2)/(x^1) >= 1*x^2
x^1 >= 1*x^2
x-x^2 >= 0
x^1*(1-x) >= 0
x < 0
-(abs(x))^1*(1*(abs(x))^1+1) >= 0 // : -(abs(x))^1
1*(abs(x))^1+1 <= 0
1*(abs(x))^1 <= -1 // : 1
(abs(x))^1 <= -1/1
(abs(x))^1 <= -1 // ^ 1/1
abs(x) <= (-1)^(1/1)
abs(x) <= -1
x belongs to the empty set
x < 0
x > 0
x^1*(1-(1*x^1)) >= 0 // : x^1
1-(1*x^1) >= 0
1 >= 1*x^1 // : 1
1/1 >= x^1 // ^ 1/1
(1/1)^(1/1) >= x
x in (0:1>
x > 0
x in (0:1>
x in (1:+oo)
-2 = -ln(-ln(1-(1/x))) // + ln(-ln(1-(1/x)))
ln(-ln(1-(1/x)))-2 = 0
ln(-ln(1-x^-1))-2 = 0
ln(-ln(1-x^-1))-2 = 0 // + 2
ln(-ln(1-x^-1)) = 2
ln(-ln(1-x^-1)) = ln(e^2)
-ln(1-x^-1) = e^2
-ln(1-x^-1)-e^2 = 0
-ln(1-x^-1)-e^2 = 0 // + e^2
-ln(1-x^-1) = e^2
-ln(1-x^-1) = e^2 // * -1
ln(1-x^-1) = ln(e^(-e^2))
1-x^-1 = e^(-e^2)
-1*x^-1 = -(1-e^(-e^2)) // : -1
x^-1 = 1-e^(-e^2)
-1 < 0
1/(x^1) = 1-e^(-e^2) // * x^1
1 = (1-e^(-e^2))*x^1 // : 1-e^(-e^2)
1/(1-e^(-e^2)) = x^1
x = 1/(1-e^(-e^2))
x = 1/(1-e^(-e^2))
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