(3steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
The finite nonempty sequences of natural numbers can be placed in one-one correspondence with the natural numbers themselves.

At: card nat vs nat tuples

  (k:k) ~ 
By: FwdThru: 
Thm*  B,B':(AType). (x:A. B(x) ~ B'(x))  ((x:AB(x)) ~ (x:AB'(x)))
on [ Thm*  k:. (k) ~  ]
THEN
Rewrite by Hyp:-1

Generated subgoal:

1 1. (k:k) ~ ()
  () ~ 
2 steps

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

(3steps total) PrintForm Definitions Lemmas DiscreteMath Sections DiscrMathExt Doc