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EPISODE · Nov 9, 2020 · 18 MIN

Parametric models and representation independence

from Iowa Type Theory Commute · host Aaron Stump

Today I discuss the construction of relational models of typed lambda calculus (say, System F), that support the idea of representation independence.  This is a feature of a type theory where different implementations of the same interface can be proved equivalent, and used interchangeably in the theory.  Only in the past couple years have researchers proposed theories like this, but the semantic ideas underlying such theories have been around since Reynolds's seminal paper "Types, Abstraction, and Parametric Polymorphism".

Episode metadata supplied by the publisher feed · Published Nov 9, 2020

What this episode covers

Today I discuss the construction of relational models of typed lambda calculus (say, System F), that support the idea of representation independence. This is a feature of a type theory where different implementations of the same interface can be proved equivalent, and used interchangeably in the theory. Only in the past couple years have researchers proposed theories like this, but the semantic ideas underlying such theories have been around since Reynolds's seminal paper "Types, ...

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Parametric models and representation independence

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This episode is 18 minutes long.

When was this Iowa Type Theory Commute episode published?

This episode was published on November 9, 2020.

What is this episode about?

Today I discuss the construction of relational models of typed lambda calculus (say, System F), that support the idea of representation independence.  This is a feature of a type theory where different implementations of the same interface can be...

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