all: 	notes.pdf \
	slides.pdf \
	subdirs

notes.dvi: notes.tex
	latex notes.tex

notes.pdf: notes.dvi
	dvipdf notes.dvi

slides.dvi: slides.tex
	latex slides.tex

slides.pdf: slides.dvi
	dvipdf slides.dvi

subdirs:
	make -C slides
	make -C notes