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Step * 1 1 1 of Lemma not-assert-isname


1. L : Cname List
2. a1 : nameset(L)
⊢ ↑isname(a1)
BY
{ TACTIC:(D -1 THEN D -2 THEN Unfold `isname` 0 THEN Auto) }

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Latex:

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Latex:

1.  L  :  Cname  List
2.  a1  :  nameset(L)
\mvdash{}  \muparrow{}isname(a1)


By

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Latex:
TACTIC:(D  -1  THEN  D  -2  THEN  Unfold  `isname`  0  THEN  Auto)

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