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Step * 2 of Lemma assert-isdM0


1. I : fset(ℕ)
2. x : Point(dM(I))
3. x = 0 ∈ Point(dM(I))
⊢ ↑isdM0(x)
BY
{ (HypSubst' (-1) 0 THEN Auto) }

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Latex:

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Latex:

1.  I  :  fset(\mBbbN{})
2.  x  :  Point(dM(I))
3.  x  =  0
\mvdash{}  \muparrow{}isdM0(x)


By

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Latex:
(HypSubst'  (-1)  0  THEN  Auto)

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