(11steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: card pi vs nsub pi 2

1. a : 
2. 0<a
3. b:((a-1)). (i:(a-1)b(i)) ~ ( i:(a-1). b(i))
4. b : a
  (i:ab(i)) ~ ( i:ab(i))


By: Use:[a:= 0 | b:= a | c:= a-1]
Rewrite by
Thm*  a,b:c:{a...b}, B:({a..b}Type).
Thm*  (i:{a..b}B(i)) ~ ((i:{a..c}B(i))(i:{c..b}B(i)))


Generated subgoal:

1   ((i:(a-1)b(i))(i:{(a-1)..a}b(i))) ~ ( i:ab(i))
4 steps

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

(11steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc