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begin quote ita"
CHAPTER I [:] Notions from Set Theory "end quote
These pages assume that the reader has the book and is reading along. topic index contents
CHAPTER I PREVIEW
In this walk back up the mountain, we will skip almost nothing - that would be analogous to jumping from one place on the mountain side to a higher place. However, I would like to emphasize that the following concepts are of most direct importance for the real number system: sets and ordered pairs, the empty set, the cartesian product of two sets, functions from one set to another, material implication, and subsets.
In his remarks on page 1, Rosenlicht says:
There is occasional verbosity, directed toward the clarification of certain simple ideas which are really somewhat more subtle than they appear.
I looked up 'verbose' in my online subscription to the Oxford English Dictionary (OED) and it said 'Expressed in an unnecessary number of words' - and therefore I conclude that Rosenlicht meant verbose in seeming only. He does not seem to identify the passages in question. I think it will be fun to look for them.