[Agda] A different implementation of --without-K

Altenkirch Thorsten psztxa at exmail.nottingham.ac.uk
Fri Nov 29 20:01:40 CET 2013

Shouldn't the semantics simply be that you can only prove things you can
prove using only J but not K?


On 29/11/2013 17:36, "Andreas Abel" <andreas.abel at ifi.lmu.de> wrote:

>On 29.11.2013 18:11, Harley D. Eades III wrote:
>> On Nov 29, 2013, at 5:00 AM, Nils Anders Danielsson <nad at cse.gu.se>
>>> On 2013-11-28 23:34, Andreas Abel wrote:
>>>> Yes, some of the fail test cases seem only to be there to document
>>>> what *is* rejected.  I do not know what purpose this serves, since I
>>>> would expect only stuff there that *must be* rejected.
>>> The point is that the semantics of --without-K should not be changed by
>>> accident. These examples "must" be rejected until we make a conscious
>>> decision to change the semantics.
>> Where is the semantics of --without-K formally written down?
>There is not much written.  The documentation of the --without-K
>variants is in the respective release notes.
>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
>Agda mailing list
>Agda at lists.chalmers.se

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