Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality ln(x-ln(x-ln(x-ln(x-1)))) <10000 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         ln ( x - ln ( x - ln ( x - ln ( x - 1 ) ) ) ) <10000         (1)
        From the definition field of ln
         x - 1 > 0        (2 )
        From the definition field of ln
         x - ln ( x - 1 ) > 0        (3 )
        From the definition field of ln
         x - ln ( x - ln ( x - 1 ) ) > 0        (4 )
        From the definition field of ln
         x - ln ( x - ln ( x - ln ( x - 1 ) ) ) > 0        (5 )

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    From inequality(1)：
         x ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!
    From inequality(2)：
         x ＞ 1
    From inequality(3)：
         x ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!
    From inequality(4)：
         x ＞ 1.137785
    From inequality(5)：
         x ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!

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    From inequalities (1) and (2)
         x ＞ 1    (6)
    From inequalities (3) and (6)
         x ＞ 1    (7)
    From inequalities (4) and (7)
         x ＞ 1.137785    (8)
    From inequalities (5) and (8)
         x ＞ 1.137785    (9)

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    The final solution set is :
         x ＞ 1.137785

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