(3steps total) PrintForm Definitions hol arithmetic 2 Sections HOLlib Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: hsub wd 1
1. m : 
  if 0<m then 0 else 0-m fi  = 0  
By: BifCase THEN Simp

Generated subgoals:

None

About:
natural_numbersubtractequal
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html

(3steps total) PrintForm Definitions hol arithmetic 2 Sections HOLlib Doc