doc-src/Tutorial/Misc/arith1.ML
author nipkow
Tue, 08 Jan 2002 12:47:58 +0100
changeset 12664 acbe16e49abe
parent 6577 a2b5c84d590a
permissions -rw-r--r--
added filter_filter

Goal "[| ~ m < n; m < n+1 |] ==> m = n";