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Step * 1 1 of Lemma qmul-zero-div


1. a : ℚ
2. b : ℤ
3. b ≠ 0
⊢ ¬↑qeq(b;0)
BY
{ (RW assert_pushdownC 0 THEN Auto) }

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Latex:

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Latex:

1.  a  :  \mBbbQ{}
2.  b  :  \mBbbZ{}
3.  b  \mneq{}  0
\mvdash{}  \mneg{}\muparrow{}qeq(b;0)


By

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Latex:
(RW  assert\_pushdownC  0  THEN  Auto)

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