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Step * 1 1 of Lemma not-axiom-member-int


1. Ax ∈ ℤ
2. ¬↑isint(Ax)
⊢ False
BY
{ (D (-1) THEN GenConcl ⌜Ax = z ∈ ℤ⌝⋅ THEN Auto) }

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Latex:

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Latex:

1.  Ax  \mmember{}  \mBbbZ{}
2.  \mneg{}\muparrow{}isint(Ax)
\mvdash{}  False


By

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Latex:
(D  (-1)  THEN  GenConcl  \mkleeneopen{}Ax  =  z\mkleeneclose{}\mcdot{}  THEN  Auto)

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