From scm at iis.sinica.edu.tw  Fri Sep  6 12:07:59 2013
From: scm at iis.sinica.edu.tw (Shin-Cheng Mu)
Date: Fri, 6 Sep 2013 12:07:59 +0800
Subject: [Fun-thursday] Slides: A Brief Intro. to Dependently Typed
	Programming
Message-ID: <FA438BFD-E809-4034-8E7C-008C24C43553@iis.sinica.edu.tw>

Dear friends,

These are my slides yesterday, 
"A Brief Intro. to Dependently Typed Programming"

http://pc-scm.iis.sinica.edu.tw/FT20130905.pdf

sincerely,
Shin
scm at iis.sinica.edu.tw




From suhorng at gmail.com  Fri Sep  6 22:07:46 2013
From: suhorng at gmail.com (suhorng Y)
Date: Fri, 6 Sep 2013 22:07:46 +0800
Subject: [Fun-thursday] #5: Write Yourself a Toy \lambda-Calculus Virtual
	Machine
Message-ID: <CA+w6aq+sg4TDdTknYDo7u=7vNChaZ9HkvCA2EzTMEP6L=u2G-Q@mail.gmail.com>

Hi all,

Here is the slide:
``Write Yourself a Toy ?-Calculus Virtual Machine"
http://suhorng.github.io/llintr/lvm.html
(lvm, not llvm XD)

Hope you enjoy it!

Best regards,
suhorng
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From suhorng at gmail.com  Sat Sep  7 00:04:20 2013
From: suhorng at gmail.com (suhorng Y)
Date: Sat, 7 Sep 2013 00:04:20 +0800
Subject: [Fun-thursday] Slides: A Brief Intro. to Dependently Typed
	Programming
In-Reply-To: <FA438BFD-E809-4034-8E7C-008C24C43553@iis.sinica.edu.tw>
References: <FA438BFD-E809-4034-8E7C-008C24C43553@iis.sinica.edu.tw>
Message-ID: <CA+w6aqLSViqnq9opAL2ntB8c6pGNor0C0YY2OSVqB=3f0MnYiQ@mail.gmail.com>

Hello:

Just wanna make sure.
In the sorting example, we gave it the type

    sort : (xs : [N]) -> \exists ( \ys -> Perm xs ys * Ordered ys )

Similarly, in the maximum function, we have the type

    max : (xs : [N]) -> (xs /= []) -> \exists ( Sup xs )

and `Sup xs` is also a function.

Why wouldn't we give the proof directly, but rather uses
assertions that when given a parameter, tries to (re-?)construct
the proof?

suhorng

2013/9/6 Shin-Cheng Mu <scm at iis.sinica.edu.tw>

> Dear friends,
>
> These are my slides yesterday,
> "A Brief Intro. to Dependently Typed Programming"
>
> http://pc-scm.iis.sinica.edu.tw/FT20130905.pdf
>
> sincerely,
> Shin
> scm at iis.sinica.edu.tw
>
>
>
> _______________________________________________
> Fun-thursday mailing list
> Fun-thursday at iis.sinica.edu.tw
> http://www.iis.sinica.edu.tw/mailman/listinfo/fun-thursday
>
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