Nuprl - Pf sublist iff assert sublist 2 x 1 2 1

(13steps) PrintForm Definitions Lemmas list 3 jlc Sections Support(jlc) Doc

At: sublist iff assert sublist 2 x 1 2 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

u(eq) M & v(eq)M (u(eq) Mxv.x(eq) M)

By: Analyze 0 THEN Analyze 0

Generated subgoals:

1 10. u(eq) M & v(eq)M
u(eq) Mxv.x(eq) M

2 10. u(eq) Mxv.x(eq) M
u(eq) M & v(eq)M

About:

(13steps) PrintForm Definitions Lemmas list 3 jlc Sections Support(jlc) Doc