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At: not list all not iff list exists 1 2 2 1 2
1. T: Type
2. P: TProp
3. x:T. Dec(P(x))
4. L: T List
5. u: T
6. v: T List
7. xv.P(x) xv.(P(x))
8. xv.P(x)

(P(u) & xv.(P(x)))
By: Analyze 0
Generated subgoal:

19. P(u)
10. xv.(P(x))
False

About:
listdecidablefunctionuniversepropimpliesandfalseall

(23steps) PrintForm Definitions Lemmas list 3 jlc Sections Support(jlc) Doc