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Step * 2 1 of Lemma int_seg-cardinality-le


1. i : ℤ
2. j : ℤ
3. j < i
⊢ Surj(ℕ0;{i..j-};λx.i)
BY
{ (D 0 THEN Auto')⋅ }

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Latex:

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Latex:

1.  i  :  \mBbbZ{}
2.  j  :  \mBbbZ{}
3.  j  <  i
\mvdash{}  Surj(\mBbbN{}0;\{i..j\msupminus{}\};\mlambda{}x.i)


By

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Latex:
(D  0  THEN  Auto')\mcdot{}

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