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p. vii, l. -3: Should be: ``type $\omega+(\omega^{*}+\omega)\rho$..."  
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p. vii, l. -3: Should be: ``type $\omega+(\omega^{*}+\omega)\rho$..."  
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p. 21, Exercise 1.14.5: $b\in M$ should be $c\in M$
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p. 21, Exercise 1.14.5: $b\in M$ should be $c\in M$
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p. 22, l. -12: [70] should be [71]  
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p. 22, l. -12: [70] should be [71]  
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p. 23, l. 19: [209]  refers to a paper of A. Wilkie, it should refer to George Wilmer's thesis which is missing in the references.
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p. 23, l. 19: [209]  refers to a paper of A. Wilkie, it should refer to George Wilmer's thesis which is missing in the references.
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p. 48, l. 3: the second instance of 2.3.2 should be 2.3.4.  
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p. 48, l. 3: the second instance of 2.3.2 should be 2.3.4.  
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p. 57, Proof of Corollary 3.1.17. Should be ``Theorem 3.1.16..." To finish the argument one also needs to evoke Theorem 2.1.1.
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p. 57, Proof of Corollary 3.1.17. Should be ``Theorem 3.1.16..." To finish the argument one also needs to evoke Theorem 2.1.1.
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p. 85, Exercise 3.6.17: Delete the hint.
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p. 85, Exercise 3.6.17: Delete the hint.
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p.98, l.-3: In the first line of the displayed formula, $x\leq x'$ should be replaced  
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p.98, l.-3: In the first line of the displayed formula, $x\leq x'$ should be replaced by $x < x'$ . The same change should be made in the second  line.
by $x < x'$ . The same change should be made in the second  line.
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