Nuprl - Proof: eq cons imp eq hds 1 2 1

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At: eq cons imp eq hds 1 2 1

1. A : Type
2. a : A
3. b : A
4. as : A List
5. bs : A List
6. a.as = b.bs
7. a.as = b.bs
8. z : {cs:(A List)| ||cs||

1 }

||z||

By:

Analyze 8

Generated subgoals:

None

About:

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