Abstraction can be used very effectively to decompose and simplify termination arguments. If a symbolic computation is nonterminating, then there is an infinite computation with a top redex, such that all redexes are immortal, but all children of redexes are mortal. This suggests applying weakly-monotonic well-founded relations in abstraction-based termination methods, expressed here within an abstract framework for term-based proofs. Lexicographic combinations of orderings may be used to match up with multiple levels of abstraction. © Springer-Verlag 2004.
CITATION STYLE
Dershowitz, N. (2004). Termination by abstraction. Lecture Notes in Computer Science (Including Subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 3132, 1–18. https://doi.org/10.1007/978-3-540-27775-0_1
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