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- From: Hugo Herbelin <herbelin AT pauillac.inria.fr>
- To: Chris Dams <chris.dams.nl AT gmail.com>
- Cc: coq-club AT pauillac.inria.fr
- Subject: Re: [Coq-Club] How to make mutual recursive theorems?
- Date: Tue, 2 Jun 2009 23:27:20 +0200
- List-archive: <http://pauillac.inria.fr/pipermail/coq-club/>
Hi,
Yes, there is a serious bug with Theorem with in 8.2-1. Sorry. The fix
will be released in the (next) "patch level" release of 8.2.
Hugo
From Chris Dams:
> The Theorem ... with ... construction seems nice too and is a reason
> to upgrade to 8.2, but does not work quite as well for me. If I do
>
> Theorem mutual_ind_A:
> forall P: A -> Prop,
> forall Q: B -> Prop,
> P mk_a ->
> Q mk_b ->
> (forall b: B, Q b -> P (S b)) ->
> (forall a: A, P a -> Q (T a)) ->
> forall a: A, P a
> with mutual_ind_B:
> forall P: A -> Prop,
> forall Q: B -> Prop,
> P mk_a ->
> Q mk_b ->
> (forall b: B, Q b -> P (S b)) ->
> (forall a: A, P a -> Q (T a)) ->
> forall b: B, Q b.
>
> Coq answers with "Anomaly: uncaught exception Not_found. Please report."
- Re: [Coq-Club] How to make mutual recursive theorems?, Chris Dams
- Re: [Coq-Club] How to make mutual recursive theorems?, Hugo Herbelin
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