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Extensionality of lambda-*

We prove an extensionality theorem for the "type-in-type" dependent type theory with Sigma-types. We suggest that the extensional equality type be identified with the logical equivalence relation on the free term model of type theory.

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AuthorshipTopic signalWExtensionality of lambda-*preprint / 2014AAndrew PolonskyResearcherTLogic in Computer Science2208 works
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Extensionality of lambda-*

preprint / 2014

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