(2steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: card sum family intseg singleton elim 1

1. a : 
2. a' : 
3. a'-a = 1
4. B : {a..a'}Type
  (i:{a..a'}B(i)) ~ B(a)


By: Rewrite by ({a:}B(a)) ~ B(a)
THEN
Repeat
BackThru: 
Thm*  B:({a:A}Type). (i:{a:A}B(i)) ~ B(a) |
Thm*  a,a':.
Thm*  a'-a = 1  (B:({a..a'}Type). (i:{a..a'}B(i)) ~ ({a:}B(a)))


Generated subgoals:

None

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

(2steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc