Nuprl - Proof: prime nat 3 1 2 1 1 1 1

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At: prime nat 3 1 2 1 1 1 1

1. x :

2. 2

x
3.

(

i:{2..x

}. i | x)
4. b :

5. |b| | x
6. |b| ~ b
7. |b|

|b| & |b|<x)

By:	SimilarTo Hyp:3

Generated subgoal:

1 8. 2|b| & |b|<x
i:{2..x}. i | x
1 step

About:

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