Verification of Ptime Reducibility for system F Terms: Type Inference in Dual Light Affine Logic

Autor: Vincent Atassi, Patrick Baillot, Kazushige Terui
Jazyk: angličtina
Rok vydání: 2007
Předmět:
Zdroj: Logical Methods in Computer Science, Vol Volume 3, Issue 4 (2007)
Druh dokumentu: article
ISSN: 1860-5974
DOI: 10.2168/LMCS-3(4:10)2007
Popis: In a previous work Baillot and Terui introduced Dual light affine logic (DLAL) as a variant of Light linear logic suitable for guaranteeing complexity properties on lambda calculus terms: all typable terms can be evaluated in polynomial time by beta reduction and all Ptime functions can be represented. In the present work we address the problem of typing lambda-terms in second-order DLAL. For that we give a procedure which, starting with a term typed in system F, determines whether it is typable in DLAL and outputs a concrete typing if there exists any. We show that our procedure can be run in time polynomial in the size of the original Church typed system F term.
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