../ QED.sty 25-Jun-1996 01:54 32907 prooftree-doc.dvi 03-Oct-1995 18:53 7336 prooftree-doc.pdf 19-Mar-2006 23:02 80732 prooftree-doc.tex 03-Oct-1995 18:53 5056 prooftree.sty 20-Aug-1996 20:15 12552 prooftree.tex 20-Aug-1996 20:15 12552