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At: append is member lemma


T:Type, eq:{T=}, L:T List, x:T. (M,N:T List. L = (M @ (x.N))) x(eq) L

By:
RepeatFor 2 (Analyze 0)
THEN
DiscreteEq -1
THEN
UnivCD


Generated subgoal:

11. T: Type
2. eq: {T=}
3. eq TT
4. x,y:T. eq(x,y) x = y
5. L: T List
6. x: T
7. M,N:T List. L = (M @ (x.N))
x(eq) L

About:
listconsassertuniverseequalimpliesallexists

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