Step
*
of Lemma
apply-fl-morph-id
∀[I:fset(ℕ)]. ∀[phi:Point(face_lattice(I))].  ((phi)<1> = phi ∈ Point(face_lattice(I)))
BY
{ (Auto THEN RWO  "fl-morph-id" 0 THEN Auto) }
Latex:
Latex:
\mforall{}[I:fset(\mBbbN{})].  \mforall{}[phi:Point(face\_lattice(I))].    ((phi)ə>  =  phi)
By
Latex:
(Auto  THEN  RWO    "fl-morph-id"  0  THEN  Auto)
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