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Step * of Lemma dM_wf

∀[I:fset(ℕ)]. (dM(I) ∈ DeMorganAlgebra)
BY
{ ProveWfLemma }

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Latex:

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Latex:
\mforall{}[I:fset(\mBbbN{})].  (dM(I)  \mmember{}  DeMorganAlgebra)


By

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Latex:
ProveWfLemma

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