Nuprl - Proof: split int seg all dom sfa 1 2 1 2

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At: split int seg all dom sfa 1 2 1 2

1. i :

2. j :

3. i<j
4. F : {i..j

}

Prop
5. F(i) & (

k:{(i+1)..j

}. F(k))
6. k : {i..j

}
7.

k = i

F(k)

By:	BackThru: Hyp:5

Generated subgoals:

None

About:

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