Nuprl Basics - Proof: sfa doc void via isect2 1 1 1 1

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At: sfa doc void via isect2 1 1 1 1

1. X :

. {x:

}
2. X

(

. {x:

})
3. X

{0:

}
4. X

{1:

}
5. X

6. X = 0
7. X

8. X = 1

Void

By:	{Contradiction by X = 0 and X = 1 } Auto

Generated subgoals:

None

About:

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