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Step * 2 of Lemma rec-value-evalall


1. x : Base
2. x ∈ rec-value()
⊢ (evalall(x))↓
BY
{ (GenConclAtAddr [1;1] THEN ThinVar `x') }

1
1. v : rec-value()
⊢ (evalall(v))↓

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Latex:

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Latex:

1.  x  :  Base
2.  x  \mmember{}  rec-value()
\mvdash{}  (evalall(x))\mdownarrow{}


By

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Latex:
(GenConclAtAddr  [1;1]  THEN  ThinVar  `x')

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