# HG changeset patch # User paulson # Date 961156961 -7200 # Node ID 5ce73f3cadff3e2c076ff988c546df4a8a88614e # Parent 090d450af656d73cd8a4004b8efce1fcb9fc30bb real simprocs diff -r 090d450af656 -r 5ce73f3cadff NEWS --- a/NEWS Fri Jun 16 13:41:44 2000 +0200 +++ b/NEWS Fri Jun 16 14:02:41 2000 +0200 @@ -159,7 +159,7 @@ * HOL: new axclass plus_ac0 for addition with the AC-laws and 0 as identity. Types nat and int belong to this axclass; -* greatly improved simplification involving numerals of type nat & int, e.g. +* greatly improved simplification involving numerals of type nat, int, real: (i + #8 + j) = Suc k simplifies to #7 + (i + j) = k i*j + k + j*#3*i simplifies to #4*(i*j) + k two terms #m*u and #n*u are replaced by #(m+n)*u