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Step * 1 of Lemma sd_ordered_wf


1. s : DSet
⊢ sd_ordered([]) ∈ 𝔹
BY
{ RecUnfold `sd_ordered` 0  
THEN AbReduce 0 THEN Auto }

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Latex:

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Latex:

1.  s  :  DSet
\mvdash{}  sd\_ordered([])  \mmember{}  \mBbbB{}


By

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Latex:
RecUnfold  `sd\_ordered`  0   
THEN  AbReduce  0  THEN  Auto

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