---

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


1. ℕ+ ~ {1...}
⊢ ℕ × ℕ ~ ℕ × ℕ+
BY
{ xxx(RWO "-1" 0 THEN Auto)xxx }

1
1. ℕ+ ~ {1...}
⊢ ℕ × ℕ ~ ℕ × {1...}

---

Latex:

---

Latex:

1.  \mBbbN{}\msupplus{}  \msim{}  \{1...\}
\mvdash{}  \mBbbN{}  \mtimes{}  \mBbbN{}  \msim{}  \mBbbN{}  \mtimes{}  \mBbbN{}\msupplus{}


By

---

Latex:
xxx(RWO  "-1"  0  THEN  Auto)xxx

---

Home Index