*To*: Jens-Wolfhard Schicke <drahflow at gmx.de>*Subject*: Re: [isabelle] Unfortunate Display problem*From*: Amine Chaieb <ac638 at cam.ac.uk>*Date*: Mon, 01 Dec 2008 10:19:01 +0000*Cc*: cl-isabelle-users at lists.cam.ac.uk*In-reply-to*: <4933B0BE.2080408@gmx.de>*References*: <4933B0BE.2080408@gmx.de>*User-agent*: Thunderbird 2.0.0.18 (Macintosh/20081105)

Hi Jens, The System somehow warns you in the following sense: Lokk at the proof state after apply (insert assm)

This feature saved me a lot of time on several occasions! Hope it helps, Amine. Jens-Wolfhard Schicke wrote:

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I discovered an unfortunate display problem, if not bug: lemma bug: assumes assm: "P t" shows "\<all>t. P t" proof (rule allI) fix t show "P t" apply (insert assm) (* Proof state: P t ==> P t *) apply assumption (* Fails, which is A Good Thing *) In particular the insert should either warn about doubly used variable names or rename some other variable. Best Regards, Jens -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkkzsL0ACgkQzhchXT4RR5BwzgCfZvnfxGdXvwg0i+EouzO3+RDH foMAnjAUqOASaP28NHfA9cCRKWDZwByN =kqgw -----END PGP SIGNATURE-----

**References**:**[isabelle] Unfortunate Display problem***From:*Jens-Wolfhard Schicke

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