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At: auto2 lemma 1 1 1 2 1

1. T: Type
2. P: TProp
3. Q: TProp
4. t:T. P(t) Q(t)

Id {t:T| Q(t) }{t:T| P(t) }

By:
Unfold `identity` 0
THEN
Analyze


Generated subgoal:

15. x: {t:T| Q(t) }
x {t:T| P(t) }


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