replaced apply-style proof for instance Multiset :: plus_ac0 by recommended Isar proof style
#
# $Id$
#
## targets
default: dvi
## dependencies
dvi:
cd Isar/document; make dvi
pdf:
cd Isar/document; make pdf
clean:
cd Isar/document; make clean
mrproper:
rm -f *.pdf *.dvi
cd Isar/document; make mrproper