Abstract: In a general approach to anything measurable one usually takes a real line as a model. Each point on this line belongs to one real number. This point is mathematical in nature, being infinitesimally small, so that no matter how short the interval of the line we select there is always an infinite number of points within the boundaries of the chosen interval. Fig. 1.1 shows such a line with number 4 5 marked. There is no uncertainty regarding this number; it is an ordinary number and as such an element of a familiar infinite set of real numbers r ∈ R + . The real line may in general represent negative and positive numbers as well as number zero — it represents an interval from —∞ to + ∞. The set of all real numbers is 1. = R + ∪ {0} ∪ R - and we are interested in a particular element γ.
Publication Year: 2000
Publication Date: 2000-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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