Re: [isabelle] question on ISAR, printing theory file
On Wed, 6 Jun 2007, Revantha Ramanayake wrote:
> 1) The following is an extract from my theory file and partial output in
> (the lines in the script file have been prefixed by #):
> #case A
> goal (show, 1 subgoal)
> 1. A ==> B --> C
> #assume "A"
> #assume "B"
> #show "U"
> when I replace U with "C", "B --> C" or "B ==> B --> C" an error is generated.
> What should
> the form of U be in order to not generate an error?
In order to finish the above goal, you may assume A and then have to show
"B --> C". The canonical structure of the text follows that of the
statements. Later on, things may be rearranged to improve the flow of
reasoning (e.g. drop unused assumptions, reorder assumptions).
> 2) Suppose my theory file is mydoc.thy. Because I am using ProofGeneral
> the theory file is full of terms \<forall> \<exists> etc..
Try this to produce initial document setup (cf. the Isabelle System
isatool mkdir Test && isatool make
Alternatively, you may just invoke the Isabelle command 'display_drafts'
on the source files you wish to get pretty printed. (Proof General also
offers a menu item for that.)
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