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At: not list all not iff list exists 1 1

1. T: Type
2. P: TProp
3. x:T. Dec(P(x))
4. L: T List
5. xL.(P(x))

xL.P(x)

By: ListInd 4

Generated subgoals:

1 xnil.(P(x)) xnil.P(x)
25. u: T
6. v: T List
7. xv.(P(x)) xv.P(x)
x(u.v).(P(x)) x(u.v).P(x)

About:
listconsnildecidablefunctionuniversepropimpliesall

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