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Step * of Lemma assert-isdM0

∀[I:fset(ℕ)]. ∀[x:Point(dM(I))].  uiff(↑isdM0(x);x = 0 ∈ Point(dM(I)))
BY
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1
1. I : fset(ℕ)
2. x : Point(dM(I))
3. ↑isdM0(x)
⊢ x = 0 ∈ Point(dM(I))

2
1. I : fset(ℕ)
2. x : Point(dM(I))
3. x = 0 ∈ Point(dM(I))
⊢ ↑isdM0(x)

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Latex:

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Latex:
\mforall{}[I:fset(\mBbbN{})].  \mforall{}[x:Point(dM(I))].    uiff(\muparrow{}isdM0(x);x  =  0)


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Latex:
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