Step
*
of Lemma
dM-lift_wf2
∀[I,J:fset(ℕ)]. ∀[f:I ⟶ J].  (dM-lift(I;J;f) ∈ Point(dM(J)) ⟶ Point(dM(I)))
BY
{ Auto }
Latex:
Latex:
\mforall{}[I,J:fset(\mBbbN{})].  \mforall{}[f:I  {}\mrightarrow{}  J].    (dM-lift(I;J;f)  \mmember{}  Point(dM(J))  {}\mrightarrow{}  Point(dM(I)))
By
Latex:
Auto
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