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At: assert of null

  T:Type, as:T List. null(as as = nil

By: UnivCD THEN Analyze -1 THEN AbReduce 0 THEN RW bool_to_propC 0


Generated subgoal:

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

1 step

About:
listnilassertuniverseequalfalseall
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