Solutions13

# Solutions13 - Chapter 13: Hints and Selected Solutions...

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Unformatted text preview: Chapter 13: Hints and Selected Solutions Section 13.1 (page 346) 13.2 Hint (ﬁll in the supports): 13.7 Hint: 1 Section 13.2 (page 350) 13.11 A counterexample: 13.14 Hint: 2 Section 13.3 (page 337) 13.20 The following proof formalizes the informal proof we gave earlier for Exercise 12.1. (C.f. Hints and Selected Solutions for Chapter 12.) 13.23 The following formalizes the informal proof we gave for Exercise 12.4. 3 13.29 Remember that fol assumes that claims are made about non-empty domains. You will need to use a name in giving this proof, even though no names appear in the original argument. Here is a nearly completed proof. You should ﬁll in the details that are missing. 4 13.32 5 13.33 Section 13.5 (page 361) 13.43 6 13.51 An sparse outline of a proof is shown below. It shows the main trick needed but leaves out the details. 7 ...
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## This note was uploaded on 03/25/2009 for the course LOGIC 20034 taught by Professor Dhoe during the Spring '09 term at Hanover.

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Solutions13 - Chapter 13: Hints and Selected Solutions...

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