[Agda] : vs. ∶

Andreas Abel andreas.abel at ifi.lmu.de
Thu Nov 29 03:22:10 CET 2012

Not sure the epsilon should be used for Agda's typing relation.  I 
associate the set-membership with it.

On 28.11.12 5:12 PM, Nils Anders Danielsson wrote:
> On 2012-05-04 17:09, Wolfgang Jeltsch wrote:
>> I propose to use an alternative syntax, maybe the following:
>>      syntax Σ A (λ x → B) = Σ[ x ∈ A ] B
> I switched to this syntax. I also renamed Function.type-signature to
> _∋_, and removed the "x ∶ A" syntax for it.

Mmh, don't know.  With unicode, there is always the confusion issue, 
like with :: and \:: and the like.  I'd prefer the RATIO symbol (fake 
colon) to the epsilon.

Andreas Abel  <><      Du bist der geliebte Mensch.

Theoretical Computer Science, University of Munich
Oettingenstr. 67, D-80538 Munich, GERMANY

andreas.abel at ifi.lmu.de

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