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Step * 1 2 1 of Lemma equipollent-nat-rationals


ℕ × ℕ ~ ℤ × ℕ+
BY
{ xxx(RWO  "equipollent-int-nat" 0 THEN Auto)xxx }

1
ℕ × ℕ ~ ℕ × ℕ+

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Latex:

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Latex:

\mBbbN{}  \mtimes{}  \mBbbN{}  \msim{}  \mBbbZ{}  \mtimes{}  \mBbbN{}\msupplus{}


By

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Latex:
xxx(RWO    "equipollent-int-nat"  0  THEN  Auto)xxx

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