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0.7 The Extended Real Number System
We briefly talk about materials in elementary real analysis. We will not prove those properties (see elementary real analysis textbook such ...
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We briefly talk about materials in elementary real analysis. We will not prove those properties (see elementary real analysis textbook such ...
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Here, we define orderings (which are types of relations also) and fundamental theorems (Transfinite Induction and Bourbaki's Fixed Point...
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Now we move on to cardinality of sets. If $X$ and $Y$ are nonempty sets, we define the expressions $\left| X \right| \leq \left| Y \righ...
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