Abstract
Intensional expressions can both be expressions containing free variables and expressions which do not contain such variables. The expression E, which contains no free variables, is an intensional expression if it can be transformed into a non-equivalent expression E’ by replacing one of its members by an expression which is equivalent to that member.
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© 1979 PWN — Polish Scientific Publishers — Warszawa
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Ajdukiewicz, K. (1979). Intensional Expressions. In: Pelc, J. (eds) Semiotics in Poland 1984–1969. Synthese Library, vol 119. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-9777-6_13
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DOI: https://doi.org/10.1007/978-94-009-9777-6_13
Publisher Name: Springer, Dordrecht
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