Nuprl - Proof: assert of null 1

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At: assert of null 1

1. T : Type
2. T List
3. u : T
4. v : T List
5. u.v = nil

False

By:	MoveToConcl 5 THEN Fold `not` 0 THEN BackThru Thm* h:T, t:T List. h.t = nil

Generated subgoals:

None

About:

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