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At: sublist iff assert sublist 2 x 1 2 1 1 1
1. T: Type
2. L: T List
3. M: T List
4. eq: {T=}
5. eq TT
6. x,y:T. eq(x,y) x = y
7. u: T
8. v: T List
9. (u(eq) Mxv.x(eq) M) u(eq) M & xv.x(eq) M
10. u(eq) M & v(eq)M

xv.x(eq) M
By: BackThru Thm* L:T List, P:(T). xL.P(x) xL.P(x)
Generated subgoal:

1 xv.x(eq) M

About:
listboolassertapplyfunctionuniverseequalmemberandall

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