# HG changeset patch # User Cezary Kaliszyk # Date 1276317327 -7200 # Node ID cbffed7d81bdf53024ab1c8cbe11a2ca3a43cf8e # Parent f5b6f9d8a882efc966422b8438f307394b914737 Fix integer relation. diff -r f5b6f9d8a882 -r cbffed7d81bd Quotient-Paper/Paper.thy --- a/Quotient-Paper/Paper.thy Sat Jun 12 02:36:49 2010 +0200 +++ b/Quotient-Paper/Paper.thy Sat Jun 12 06:35:27 2010 +0200 @@ -63,7 +63,7 @@ integers in Isabelle/HOL are constructed by a quotient construction over the type @{typ "nat \ nat"} and the equivalence relation - @{text [display, indent=10] "(n\<^isub>1, n\<^isub>2) \ (m\<^isub>1, m\<^isub>2) \ n\<^isub>1 + n\<^isub>2 = m\<^isub>1 + m\<^isub>2"} + @{text [display, indent=10] "(n\<^isub>1, n\<^isub>2) \ (m\<^isub>1, m\<^isub>2) \ n\<^isub>1 + m\<^isub>2 = m\<^isub>1 + n\<^isub>2"} \noindent This constructions yields the new type @{typ int} and definitions for @{text