Re: [Hol-info] Working with assumptions

2019-02-26 Thread Michael.Norrish
Date: Wednesday, 27 February 2019 at 15:23 To: hol-info Subject: Re: [Hol-info] Working with assumptions Hi Michael, Thanks for your help! I wasn't subscribed to the mailing list so I only saw your response in the mail archive. I have since properly signed up for the list. I have a questi

Re: [Hol-info] Working with assumptions

2019-02-26 Thread Haitao Zhang
Hi Michael, Thanks for your help! I wasn't subscribed to the mailing list so I only saw your response in the mail archive. I have since properly signed up for the list. I have a question on pattern matching on the assumptions: what is meant by a pattern and where is it defined? Does `!x. P` match

Re: [Hol-info] Working with assumptions

2019-02-25 Thread Michael.Norrish
Hi Haitao, I’m glad you figured out sg and metis_tac as a solution to this, but of course, you’re right that this can be tedious. One of the most precise way of attacking this is to use a tactic like drule, and to select assumptions with the various _assum combinators (first_assum, last_assum,