Abstract
The aim of this paper is to study the notion of separability in the call-by-value setting.
Separability is the key notion used in the Böhm Theorem, proving that syntactically different βη-normal forms are separable in the classical λ-calculus endowed with β-reduction, i.e. in the call-by-name setting.
In the case of call-by-value λ-calculus endowed with β v-reduction and η v-reduction (see Plotkin [7]), it turns out that two syntactically different βη v-normal forms are separable too, while the notion of β v-normal form and βη v-normal form is semantically meaningful.
An explicit representation of Kleene’s recursive functions is presented. The separability result guarantees that the representation makes sense in every consistent theory of call-by-value, i.e. theories in which not all terms are equals.
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© 2001 Springer-Verlag Berlin Heidelberg
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Paolini, L. (2001). Call-by-Value Separability and Computability. In: Theoretical Computer Science. ICTCS 2001. Lecture Notes in Computer Science, vol 2202. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45446-2_5
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DOI: https://doi.org/10.1007/3-540-45446-2_5
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