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Step * of Lemma face_lattice-point-subtype

∀[I,J:fset(ℕ)].  Point(face_lattice(I)) ⊆r Point(face_lattice(J)) supposing I ⊆ J
BY
{ Auto }

1
1. I : fset(ℕ)
2. J : fset(ℕ)
3. I ⊆ J
⊢ Point(face_lattice(I)) ⊆r Point(face_lattice(J))

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Latex:

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Latex:
\mforall{}[I,J:fset(\mBbbN{})].    Point(face\_lattice(I))  \msubseteq{}r  Point(face\_lattice(J))  supposing  I  \msubseteq{}  J


By

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Latex:
Auto

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