# Difference: ExtensiveFormErrata (7 vs. 8)

#### Revision 82010-02-23 - KevinLeytonBrown

Line: 1 to 1

 META TOPICPARENT name="Errata"

## Chapter 5: Games with Sequential Actions: Reasoning and Computing with the Extensive Form

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• Page number: 126
• Section number: 5.1.4
• Date: 11th Oct 2008
• Name: Stefan K
• Email: stefank at cs (dot) stanford (dot) edu
• Content: Missing fullstop at the end of the page.
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• Page number: 130
• Section number:5.2.1
• Date:Feb 18, 2010
• Name: B.J.Buter
• Email: bjbuter [at] science [dot] uva [dot] nl
• Content: Definition 5.2.1 "I=..., equivalence relation" is not an equivalence relation. An equivalence relation is a collection of ordered pairs, thus if I_{i,j} were a relation, then where h \in I_{i,j} is written, h should be an ordered pair, this is not meant. I would rewrite as:"I=(I_1,...,I_n), where I_i={I_{i,1},...,I_{i,k_i}} is a partition of \{h\in H : \rho(h) = i\}, with I_{i,j} equivalence classes."
• Page number: 133
• Section number:5.2.3
• Date:Feb19, 2010
• Name B.J.Buter
• Email: bjbuter [at] science [dot] uva [dot] nl
• Content: Definition 5.2.3, item 2 equivalence classes are only defined for nodes where a player acts, according to definition 5.2.1. The restriction if \rho(h_j)=i should be added.

### The following errors are fixed in the second printing of the book and online PDF v1.1

• Page number: 144
• Section number: 5.2.4
• Date: 11/26/08
Line: 25 to 52

• Name: Grigorios Tsoumakas
• Email: greg@csdDELETEthisTEXT.auth.gr
• Content:"from the root of the tree up to the root" should be "from the leaves of the tree up to the root"
Deleted:
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• Page number: 130
• Section number:5.2.1
• Date:Feb 18, 2010
• Name: B.J.Buter
• Email: bjbuter [at] science [dot] uva [dot] nl
• Content: Definition 5.2.1 "I=..., equivalence relation" is not an equivalence relation. An equivalence relation is a collection of ordered pairs, thus if I_{i,j} were a relation, then where h \in I_{i,j} is written, h should be an ordered pair, this is not meant. I would rewrite as:"I=(I_1,...,I_n), where I_i={I_{i,1},...,I_{i,k_i}} is a partition of \{h\in H : \rho(h) = i\}, with I_{i,j} equivalence classes."
• Page number: 133
• Section number:5.2.3
• Date:Feb19, 2010
• Name B.J.Buter
• Email: bjbuter [at] science [dot] uva [dot] nl
• Content: Definition 5.2.3, item 2 equivalence classes are only defined for nodes where a player acts, according to definition 5.2.1. The restriction if \rho(h_j)=i should be added.

• Page number: 133
• Section number:5.2.3
• Date:Feb19, 2010

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