Re: [isabelle] Basic question about apply-style reasoning
On 03.05.2011 15:58, Peter Lammich wrote:
Probably, you mean arg_cong and arg_cong2 ??? A theorem named app_cong
does not exist.
apply (subst arg_cong2[where f=I]) by auto
does the job, but introduces some odd-looking schematic variables in
In your case, this rule is more suitable as an introduction rule, i.e.
by (rule arg_cong2[where f=I]) auto
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