The λσ-calculus is a refinement of the λ-calculus where substitutions are manipulated explicitly. The λσ-calculus provides a setting for studying the theory of substitutions, with pleasant mathematical properties. It is also a useful bridge between the classical λ-calculus and concrete implementations. © 1991, Cambridge University Press. All rights reserved.
CITATION STYLE
Lévy, J. J. (1991). Explicit substitutions. Journal of Functional Programming, 1(4), 375–416. https://doi.org/10.1017/S0956796800000186
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