# HG changeset patch # User Cezary Kaliszyk # Date 1276589292 -7200 # Node ID 1fd6809f5a44a0f6c9d7984336957992c0db7925 # Parent 3bcd715abd39ebb23d0b0536c18a7a645a608933 Definition of Respects. diff -r 3bcd715abd39 -r 1fd6809f5a44 Quotient-Paper/Paper.thy --- a/Quotient-Paper/Paper.thy Tue Jun 15 09:22:38 2010 +0200 +++ b/Quotient-Paper/Paper.thy Tue Jun 15 10:08:12 2010 +0200 @@ -353,6 +353,10 @@ and ?abs1.0="Abs\<^isub>1" and ?abs2.0="Abs\<^isub>2" and ?rep1.0="Rep\<^isub>1" and ?rep2.0="Rep\<^isub>2"]} \end{proposition} + \begin{definition}[Respects] + An element @{text "x"} respects a relation @{text "R"} if and only if @{text "R x x"}. + \end{definition} + \noindent We will heavily rely on this part of Homeier's work including an extension to deal with compositions of equivalence relations defined as follows @@ -370,6 +374,7 @@ the HOL type system). However, we can prove useful instances for compatible containers. We will show such example in Section \ref{sec:resp}. + *} section {* Quotient Types and Quotient Definitions\label{sec:type} *}