# HG changeset patch # User wenzelm # Date 924881687 -7200 # Node ID e1e40aa2c2274a40d86dac4ce8ba55797ab82225 # Parent 2863855a69029ddb261d9385549cbbbd5d8374f3 tuned; diff -r 2863855a6902 -r e1e40aa2c227 src/HOL/Isar_examples/Cantor.thy --- a/src/HOL/Isar_examples/Cantor.thy Fri Apr 23 17:02:10 1999 +0200 +++ b/src/HOL/Isar_examples/Cantor.thy Fri Apr 23 17:34:47 1999 +0200 @@ -25,6 +25,7 @@ @{type "'a set"} and the operator @{term range}. |} + text {| We first consider a rather verbose version of the proof, with the reasoning expressed quite naively. We only make use of the pure @@ -57,6 +58,7 @@ qed; qed; + text {| The following version essentially does the same reasoning, only that it is expressed more neatly, with some derived Isar language @@ -103,10 +105,11 @@ text {| While this establishes the same theorem internally, we do not get - any idea of how the actually works. There is currently no way to - transform internal system-level representations of proofs back into - Isar documents. Writing Isabelle/Isar proof documents actually - \emph{is} an creative process. + any idea of how the proof actually works. There is currently no way + to transform internal system-level representations of Isabelle + proofs back into Isar documents. Writing Isabelle/Isar proof + documents actually \emph{is} an creative process. |} + end;