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Step * 2 of Lemma divides-iff-gcd


1. x : ℤ@i
2. y : ℤ@i
3. gcd(y;x) = x ∈ ℤ@i
⊢ x | y
BY
{ (D (-1) THEN InstLemma `gcd_is_divisor_1` [⌜y⌝;⌜x⌝]⋅ THEN Auto) }

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Latex:

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Latex:

1.  x  :  \mBbbZ{}@i
2.  y  :  \mBbbZ{}@i
3.  gcd(y;x)  =  x@i
\mvdash{}  x  |  y


By

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Latex:
(D  (-1)  THEN  InstLemma  `gcd\_is\_divisor\_1`  [\mkleeneopen{}y\mkleeneclose{};\mkleeneopen{}x\mkleeneclose{}]\mcdot{}  THEN  Auto)

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