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At: sublist filter 2

1. T : Type
2. T List
3. T List
4. u : T
5. v : T List
6. P:(T). v  filter(P;nil)  v  nil & (xv.P(x))
  P:(T). [u / v nil  [u / v nil & (x[u / v].P(x))


By: RWO Thm* x:TL:T List. [x / L nil  False 0


Generated subgoals:

None

About:
listconsnilboolassertapplyfunctionuniverseandfalseall
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(24steps total) PrintForm Definitions Lemmas mb list 2 Sections MarkB generic Doc