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At: list exists is member lemma 1 1 2

1. T: Type
2. eq: TT
3. (x,y:T. eq(x,y) x = y) & eq TT
4. P: TProp
5. L: T List
6. x: T
7. P(x)
8. u: T
9. v: T List
10. x(eq) v yv.P(y)

x(eq) (u.v) y(u.v).P(y)

By: Analyze 0

Generated subgoal:

111. x(eq) (u.v)
y(u.v).P(y)

About:
listconsboolassertapplyfunctionuniverse
equalmemberpropimpliesandall

(35steps) PrintForm Definitions Lemmas list 3 jlc Sections Support(jlc) Doc