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Step * 1 of Lemma q-linear-base


1. X : ℕ ⟶ ℚ
2. y : ℚ List
⊢ (X[0] + 0) = X[0] ∈ ℚ
BY
{ xxxQNorm 0xxx }

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Latex:

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Latex:

1.  X  :  \mBbbN{}  {}\mrightarrow{}  \mBbbQ{}
2.  y  :  \mBbbQ{}  List
\mvdash{}  (X[0]  +  0)  =  X[0]


By

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Latex:
xxxQNorm  0xxx

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