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Title: I wouldn't want Van Dalen as a teacher !!!
Review: Terrible layout : paragraphs, concepts, titles, definitions, theorems... are all dumped in, indiscriminately.More fundamentally, Van Dalen skips a lot of necessary explanations and some of his statements are ambiguous, confused, confusing as he attempts to relieve the reader from the difficulties of over-formalization found in other authors of logic indigestions such as Enderton and Mendelson : so we fall from Charybdis into Scylla !!!I stopped losing my time with this book and turned to Kleene's beautiful and masterful achievements "Introduction to Metamathematics" and "Mathemathical Logic" (see my reviews).
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