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Step * 1 of Lemma Russell-property


1. Russell ∈ Russell@i'
⊢ False
BY
{ (DupHyp (-1)
   THEN RW (AddrC [1] UnfoldTopAbC) (-1)
   THEN Unfold `member` -1
   THEN EqTypeHD
   (-1)⋅
   THEN Try (Complete (Auto))
   THEN Fold `member` 0
   THEN Fold `Russell` 0
   THEN Auto) }

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Latex:

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Latex:

1.  Russell  \mmember{}  Russell@i'
\mvdash{}  False


By

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Latex:
(DupHyp  (-1)
  THEN  RW  (AddrC  [1]  UnfoldTopAbC)  (-1)
  THEN  Unfold  `member`  -1
  THEN  EqTypeHD
  (-1)\mcdot{}
  THEN  Try  (Complete  (Auto))
  THEN  Fold  `member`  0
  THEN  Fold  `Russell`  0
  THEN  Auto)

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