Re: [Hol-info] Simplifying integer expressions

2008-09-09 Thread Michael Norrish
Mike Gordon wrote: > HOL nicely simplifies natural number expressions, e.g.: > > - SIMP_CONV arith_ss [] ``?(i:num) (j:num). i <= j``; > > val it = [oracles: DISK_THM] [axioms: ] [] |- (?i j. i <= j) = T : thm > > however, I can't figure out how to get this for integer expressions, e.g.: > >

[Hol-info] Simplifying integer expressions

2008-09-09 Thread Mike Gordon
HOL nicely simplifies natural number expressions, e.g.: - SIMP_CONV arith_ss [] ``?(i:num) (j:num). i <= j``; > val it = [oracles: DISK_THM] [axioms: ] [] |- (?i j. i <= j) = T : thm however, I can't figure out how to get this for integer expressions, e.g.: - SIMP_CONV int_ss [] ``?(i:int) (