Nuprl - Proof: injection le 1 1 1 2

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At: injection le 1 1 1 2

1. k :

2. 0<k
3.

m:

. (

f:(

(k-1)

m). Inj(

(k-1);

m; f))

k-1

m
4. m :

5. f :

k

m
6. Inj(

k;

m; f)
7. f(0)

m

i:

(k-1).

(

i.if f(i)=

m-1

f(k-1) else f(i) fi)(i) = if f(i)=

m-1

f(k-1) else f(i) fi

By:

Reduce 0

Generated subgoals:

None

About:

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

(37steps total) PrintForm Definitions Lemmas mb nat Sections MarkB generic Doc