Nuprl - Proof: dedekind inf imp inf 1 1 1 1 1 1

IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At: dedekind inf imp inf 1 1 1 1 1 1

1. A : Type
2. a : A
3. f : A

A
4. Inj(A; A; f)
5.

(

x:A. f(x) = a)
6. n1 :

7. n2 :

8. f{

n1}(a) = f{

n2}(a)
9. n1<n2
10. f{

n1}(a) = f{

n1}(f{

n2-n1}(a))

x:A. f(x) = a

By:	FwdThru: Inj(A; A; f{n1}) on [ Hyp:10 ]

Generated subgoals:

1 Inj(A; A; f{n1})
1 step

2 11. a = f{n2-n1}(a)
x:A. f(x) = a
2 steps

About:

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

1	Inj(A; A; f{n1})	1 step
2	11. a = f{n2-n1}(a) x:A. f(x) = a	2 steps