Fri, 29 Nov 1996 12:15:33 +0100 renamed is_flat to flat,
oheimb [Fri, 29 Nov 1996 12:15:33 +0100] rev 2275
renamed is_flat to flat, moved Lift*.* to Up*.*, renaming of all constans and theorems concerned, (*lift* to *up*, except Ilift to Ifup, lift to fup)
(0) -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip