Nuprl - Proof: delete fenum value is inj 1 1 2 1

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At: delete fenum value is inj 1 1 2 1

1. m :

2. k :

3. f :

(m+1)

(k+1)
4. Inj(

(m+1);

(k+1); f)
5. a1 :

m
6. a2 :

m
7. f(m) = f(a2)
8. f(a1) = k
9.

f(a2) = k

False

By:	FwdThru: Inj((m+1); (k+1); f) on [ f(m) = f(a2) (k+1) ]

Generated subgoals:

None

About:

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