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Step * of Lemma shorten-tuple_wf2

∀[L1,L2:Type List]. ∀[x:tuple-type(L1 @ L2)].  shorten-tuple(x;||L1||) ∈ tuple-type(L2) supposing 0 < ||L2||
BY
{ (Auto THEN DoSubsume THEN Auto THEN RWW "nth_tl_append" 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[L1,L2:Type  List].  \mforall{}[x:tuple-type(L1  @  L2)].
    shorten-tuple(x;||L1||)  \mmember{}  tuple-type(L2)  supposing  0  <  ||L2||


By

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Latex:
(Auto  THEN  DoSubsume  THEN  Auto  THEN  RWW  "nth\_tl\_append"  0  THEN  Auto)

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