Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!elroy.jpl.nasa.gov!ames!haven!umd5!newton.cs.jhu.edu!stiller From: stiller@cs.jhu.edu (Lewis Stiller) Newsgroups: comp.text.tex Subject: proof trees in LaTeX Summary: How do you do type deductions in lambda calculus in LaTeX Message-ID: Date: 5 Feb 91 17:09:16 GMT Lines: 20 I need to format type deduction trees in \lambda - calculus. They look sort of like this: first second third fourth ------------------ --------------- oner twoer hello there -------------------------- --------------------------- conc jfjfjfjfj ----------------------------------------------------------------- done Each string is usually replaced by some fairly long expression consisting mainly of greek symbols, with a few sans-serif and math symbols thrown in, and also English comments. Are there nice macros out there for handling this? lewis