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Step * 1 of Lemma code-coded-seq


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

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Latex:

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Latex:

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


By

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

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