Step
*
1
of Lemma
p-unitize-unit
.....equality.....
1. p : ℕ+
2. a : p-adics(p)
3. ¬((a 1) = 0 ∈ ℤ)
4. n : ℕ+
⊢ greatest-p-zero(n;a) ~ 0
BY
{ (Auto THEN SupposeNot THEN (InstLemma `greatest-p-zero-property` [⌜p⌝;⌜a⌝;⌜n⌝]⋅ THENA Auto)) }
1
1. p : ℕ+
2. a : p-adics(p)
3. ¬((a 1) = 0 ∈ ℤ)
4. n : ℕ+
5. ¬(greatest-p-zero(n;a) = 0 ∈ ℕ)
6. (greatest-p-zero(n;a) ≤ n)
∧ (∀i:ℕ+n + 1. (((i ≤ greatest-p-zero(n;a))
⇒ ((a i) = 0 ∈ ℤ)) ∧ (greatest-p-zero(n;a) < i
⇒ (¬((a i) = 0 ∈ ℤ)))))
⊢ greatest-p-zero(n;a) = 0 ∈ ℕ
Latex:
Latex:
.....equality.....
1. p : \mBbbN{}\msupplus{}
2. a : p-adics(p)
3. \mneg{}((a 1) = 0)
4. n : \mBbbN{}\msupplus{}
\mvdash{} greatest-p-zero(n;a) \msim{} 0
By
Latex:
(Auto THEN SupposeNot THEN (InstLemma `greatest-p-zero-property` [\mkleeneopen{}p\mkleeneclose{};\mkleeneopen{}a\mkleeneclose{};\mkleeneopen{}n\mkleeneclose{}]\mcdot{} THENA Auto))
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