Certified Kruskal's Tree Theorem
This article presents the first formalization of Kurskal's tree theorem in aproof assistant. The Isabelle/HOL development is along the lines of Nash-Williams' original minimal bad sequence argument for proving the treetheorem. Along the way, proofs of Dickson's lemma and Higman's...
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Format: | Article |
Language: | English |
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University of Bologna
2014-07-01
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Series: | Journal of Formalized Reasoning |
Subjects: | |
Online Access: | http://jfr.unibo.it/article/view/4213 |