Re: [Hol-info] Definitions of partial functions (incl. predicates)

2017-10-06 Thread Mario Castelán Castro
Hello Ramana. On 05/10/17 19:18, Ramana Kumar wrote: > My intuition says that working with total functions (and especially > predicates) will be easier. > Why? I don't know exactly, but here are some possible reasons: > you can just use plain rewriting rather than conditional rewriting, > and you

Re: [Hol-info] Experience and opinions on proof assistants with “rich” type systems

2017-10-06 Thread Mario Castelán Castro
Hello Jeremy. Thanks for your reply. On 05/10/17 13:25, Jeremy Dawson wrote: > Hi Mario, > > I don't mind the question, but the answer may not be much use because > it's a comparison between the 2005 version of Isabelle which I use and > HOL4. > > In terms of the type systems they are