Re: [isabelle-dev] Difference between " induct " and " induct_tac "

2012-03-27 Thread Lawrence Paulson
I have redirected your request to isabelle-us...@cl.cam.ac.uk. That is the appropriate mailing list for users' questions. The developers' mailing list is for use by the Isabelle developers. Larry Paulson On 27 Mar 2012, at 09:14, charmi panchal wrote: > Hello, > I am a beginner of Isabelle an

[isabelle-dev] Difference between " induct " and " induct_tac "

2012-03-27 Thread charmi panchal
Hello, I am a beginner of Isabelle and practicing it in JEdit. I wish to understand the difference between "induct" and "induct_tac" e.g. lemma zip1_zip2: "(zip1 xs ys) = (zip2 xs ys)" apply (induct xs arbitrary: ys) apply (case_tac ys) apply auto apply (case_tac ys) apply auto done