changeset 29614 | 1f7b1b0df292 |
parent 29252 | ea97aa6aeba2 |
child 30729 | 461ee3e49ad3 |
--- a/src/HOLCF/Bifinite.thy Thu Jan 22 09:04:45 2009 +0100 +++ b/src/HOLCF/Bifinite.thy Thu Jan 22 09:04:46 2009 +0100 @@ -10,7 +10,7 @@ subsection {* Omega-profinite and bifinite domains *} -class profinite = cpo + +class profinite = fixes approx :: "nat \<Rightarrow> 'a \<rightarrow> 'a" assumes chain_approx [simp]: "chain approx" assumes lub_approx_app [simp]: "(\<Squnion>i. approx i\<cdot>x) = x"