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Multiple ≃'s #27

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fredefox opened this issue Mar 8, 2018 · 2 comments
Open

Multiple ≃'s #27

fredefox opened this issue Mar 8, 2018 · 2 comments

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@fredefox
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fredefox commented Mar 8, 2018

Cubical._≃_ is defined via Σ. Cubical.Univalence._≃_ is congruent but defined via a record.

What's the motivation? Would you mind it if I let Cubical.Univalence import and use the one defined in PathPrelude?
@fredefox
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fredefox commented Mar 8, 2018

I can see that maybe you crucially need no-eta-equality.

What if I in stead define \simeq in PathPrelude? Would that be agreeable?

@fredefox
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fredefox commented Mar 8, 2018

Sigh. It seems that eta-equality is needed in PathPrelude...

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