Just got it! Thanks for your help! I was using ams* files, so I went into those files and deleted the offending theorem definitions. It now compiles just fine. (-:
Thanks again! -- View this message in context: http://www.nabble.com/LaTeX-Error%3A-Command-%5Cthm-already-defined.-tf4950056.html#a14177368 Sent from the LyX - Users mailing list archive at Nabble.com.
