# HG changeset patch # User wenzelm # Date 930954485 -7200 # Node ID 6e56603fb33942e8041d8513b23cb2695488755e # Parent 4a905b4a39c8cb58d8e244550f19fef8c4ff7626 proper text; diff -r 4a905b4a39c8 -r 6e56603fb339 src/HOL/Isar_examples/KnasterTarski.thy --- a/src/HOL/Isar_examples/KnasterTarski.thy Sat Jul 03 00:26:00 1999 +0200 +++ b/src/HOL/Isar_examples/KnasterTarski.thy Sat Jul 03 00:28:05 1999 +0200 @@ -11,7 +11,7 @@ theorems [dest] = monoD; (* FIXME [dest!!] *) -(* +text {* The proof of Knaster-Tarski below closely follows the presentation in 'Introduction to Lattices' and Order by Davey/Priestley, pages 93--94. All of their narration has been rephrased in terms of formal @@ -22,7 +22,7 @@ Just as many textbook-style proofs, there is a strong bias towards forward reasoning, with little hierarchical structure. -*) +*}; theorem KnasterTarski: "mono f ==> EX a::'a set. f a = a"; proof;