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Step * 1 of Lemma code-coded-seq


1. x : ℕ
2. x = 0 ∈ ℤ
⊢ code-seq(0;λx.x) = x ∈ ℤ
BY
{ xxx(HypSubst' (-1) 0 THEN Auto)xxx }

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Latex:

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Latex:

1.  x  :  \mBbbN{}
2.  x  =  0
\mvdash{}  code-seq(0;\mlambda{}x.x)  =  x


By

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Latex:
xxx(HypSubst'  (-1)  0  THEN  Auto)xxx

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