No idea what you're on about. If you are asking in what order do the sets of numbers apear in terms of proving there existence, I believe they are in the following order:
N->Z->Q->R->C
Where: N is the set of natural numbers, i.e. whole numbers ranging from 1 to infinity.
Z is the set or whole numbers including zero ranging from -infinity to +infinity
Q is the set of rational numbers, i.e. the set of numbers that can be expressed in the form a/b where a and b are in Z with b not equal to 0.
R is the set or real numbers, the collection of every rational and non rational number.
C is the set of complex numbers, i.e. all numbers that can be expressed as a+biwhere a and b are in R and i is the squareroot of -1.
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Rational numbers are numbers that can be expressed as a ratio of two integers, a/b, where b is not zero.
1, 2 are rational and square root of 2 and pi are irrational.
-54 is included in negative integer or rational nos.
Being rational or irrational is not about "predicting the next digit"; the definition of a rational number is that you can write it as a fraction, with integer numerator and denominator.Being rational or irrational is not about "predicting the next digit"; the definition of a rational number is that you can write it as a fraction, with integer numerator and denominator.Being rational or irrational is not about "predicting the next digit"; the definition of a rational number is that you can write it as a fraction, with integer numerator and denominator.Being rational or irrational is not about "predicting the next digit"; the definition of a rational number is that you can write it as a fraction, with integer numerator and denominator.
Next to any rational number is an irrational number, but next to an irrational number can be either a rational number or an irrational number, but it is infinitely more likely to be an irrational number (as between any two rational numbers are an infinity of irrational numbers).