Step
*
2
1
of Lemma
int_pi_det_fun_wf
1. i : ℤ
2. i ≠ 0
3. x : ℤ
4. x = (((x ÷ i) * i) + (x rem i)) ∈ ℤ
⊢ ∃b:ℤ. (x = (i * b) ∈ ℤ)
⇐⇒ (x rem i) = 0 ∈ ℤ
BY
{ Auto }
1
1. i : ℤ
2. i ≠ 0
3. x : ℤ
4. x = (((x ÷ i) * i) + (x rem i)) ∈ ℤ
5. ∃b:ℤ. (x = (i * b) ∈ ℤ)
⊢ (x rem i) = 0 ∈ ℤ
2
1. i : ℤ
2. i ≠ 0
3. x : ℤ
4. x = (((x ÷ i) * i) + (x rem i)) ∈ ℤ
5. (x rem i) = 0 ∈ ℤ
⊢ ∃b:ℤ. (x = (i * b) ∈ ℤ)
Latex:
Latex:
1. i : \mBbbZ{}
2. i \mneq{} 0
3. x : \mBbbZ{}
4. x = (((x \mdiv{} i) * i) + (x rem i))
\mvdash{} \mexists{}b:\mBbbZ{}. (x = (i * b)) \mLeftarrow{}{}\mRightarrow{} (x rem i) = 0
By
Latex:
Auto
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