2015; Physical and Mathematical Sciences, 49(2 (237): 45–52
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ON TYPED AND UNTYPED LAMBDA-TERMS

Received: 2025-02-11 · Published: 2015-06-12

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Original title
ON TYPED AND UNTYPED LAMBDA-TERMS
Author
Tigran Khondkaryan
Published
2015-06-12
Licence
Creative Commons Attribution 4.0 International
Original
https://doi.org/10.46991/PYSUA.2015.49.2.045

Abstract

Typedλ-terms that use variables of any order and don’t use constants oforder>1 are studied in the paper. An algorithm of translation of typedλ-terms to untypedλ-terms is presented. According to that algorithm, eachtyped termtis mapped to an untyped termt′. We study in which case typedtermst1,t2such thatt1→→β δt2correspond to untyped termst1′,t2′such thatt1′→→βt2′.
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