Computability in Europe 2006
Logical Approaches to Computational Barriers



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Regular Talk:
Ordering finite labeled trees



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Speaker: Herman Ruge Jervell
Slot: Array, 11:20-11:40, col. 2

Abstract

Previously --- in CiE 2005 --- we have given an ordering of finite trees and showed that it is a well ordering reaching up to the small Veblen ordinal. Here we extend this ordering to finite labeled trees --- similar to Takeuti's ordinal diagrams --- and show that this extended ordering is also a well ordering.


websites: Arnold Beckmann
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2008-05-19