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Support lifting for refinements #41

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tlringer opened this issue Apr 3, 2019 · 1 comment
Open

Support lifting for refinements #41

tlringer opened this issue Apr 3, 2019 · 1 comment
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enhancement New feature or request examples

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@tlringer
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tlringer commented Apr 3, 2019

Lifting currently assumes that the new index is not A itself, and does not refer to A. That means that we can't handle refinement types like is_positive and is_even. There are some conceptual difficulties to handling this, but they are an interesting set of types worth handling. Essentially, the issue is that lifting needs to prevent itself from infinitely recursing once it lifts.

I believe this assumption was also accidentally omitted in the paper submission, so it should either be fixed before publication, or the paper should add the assumption to address it.
@tlringer tlringer added the enhancement New feature or request label Apr 3, 2019
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Does this work with the current termination workflow? Give it a shot

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