doc-src/Tutorial/Ifexpr/normal_normif.ML
author nipkow
Tue, 08 Jan 2002 12:47:58 +0100
changeset 12664 acbe16e49abe
parent 5377 efb799c5ed3c
permissions -rw-r--r--
added filter_filter

Goal "!t e. normal(normif b t e) = (normal t & normal e)";