Nuprl - Proof: injection le 1

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At: injection le 1

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)

k-1

m-1

By:	AssertBY (f(0) m) Auto THEN BackThruSomeHyp

Generated subgoal:

1 7. f(0) m
f:((k-1)(m-1)). Inj((k-1); (m-1); f)
35 steps

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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