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Step * of Lemma nil-sublist

∀[T,x:Top].  [] ⊆ x
BY
{ ((UnivCD THENA Auto) THEN Unfold `sublist` 0 THEN Reduce 0 THEN InstConcl [⌜λx.0⌝]⋅ THEN Auto) }

1
1. [T] : Top
2. [x] : Top
⊢ increasing(λx.0;0)

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Latex:

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Latex:
\mforall{}[T,x:Top].    []  \msubseteq{}  x


By

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Latex:
((UnivCD  THENA  Auto)  THEN  Unfold  `sublist`  0  THEN  Reduce  0  THEN  InstConcl  [\mkleeneopen{}\mlambda{}x.0\mkleeneclose{}]\mcdot{}  THEN  Auto)

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