Step
*
1
1
1
of Lemma
ratreduce_wf
1. x1 : ℤ
2. x2 : ℕ+
3. g : ℤ
4. gcd(x1;x2) = g ∈ ℤ
5. 0 < |g|
6. c1 : ℤ
7. x1 = (|g| * c1) ∈ ℤ
8. c : ℤ
9. x2 = (|g| * c) ∈ ℤ
10. c ∈ ℕ+
⊢ (x1 * c) = (c1 * x2) ∈ ℤ
BY
{ ((Eliminate ⌜x1⌝⋅ THEN Eliminate ⌜x2⌝⋅) THEN Auto) }
Latex:
Latex:
1. x1 : \mBbbZ{}
2. x2 : \mBbbN{}\msupplus{}
3. g : \mBbbZ{}
4. gcd(x1;x2) = g
5. 0 < |g|
6. c1 : \mBbbZ{}
7. x1 = (|g| * c1)
8. c : \mBbbZ{}
9. x2 = (|g| * c)
10. c \mmember{} \mBbbN{}\msupplus{}
\mvdash{} (x1 * c) = (c1 * x2)
By
Latex:
((Eliminate \mkleeneopen{}x1\mkleeneclose{}\mcdot{} THEN Eliminate \mkleeneopen{}x2\mkleeneclose{}\mcdot{}) THEN Auto)
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