Nuprl Lemma : Kan-A-filler_wf

[X:CubicalSet]. ∀[A:{X ⊢ _}]. ∀[filler:I:(Cname List)
                                        ⟶ alpha:X(I)
                                        ⟶ J:(nameset(I) List)
                                        ⟶ x:nameset(I)
                                        ⟶ i:ℕ2
                                        ⟶ A-open-box(X;A;I;alpha;J;x;i)
                                        ⟶ A(alpha)].
  (Kan-A-filler(X;A;filler) ∈ ℙ)


Proof




Definitions occuring in Statement :  Kan-A-filler: Kan-A-filler(X;A;filler) A-open-box: A-open-box(X;A;I;alpha;J;x;i) cubical-type-at: A(a) cubical-type: {X ⊢ _} I-cube: X(I) cubical-set: CubicalSet nameset: nameset(L) coordinate_name: Cname list: List int_seg: {i..j-} uall: [x:A]. B[x] prop: member: t ∈ T function: x:A ⟶ B[x] natural_number: $n
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T Kan-A-filler: Kan-A-filler(X;A;filler) so_lambda: λ2x.t[x] all: x:A. B[x] subtype_rel: A ⊆B uimplies: supposing a nameset: nameset(L) A-open-box: A-open-box(X;A;I;alpha;J;x;i) so_apply: x[s] and: P ∧ Q implies:  Q sq_stable: SqStable(P) squash: T
Lemmas referenced :  decidable__equal-coordinate_name sq_stable__l_subset cubical-set_wf cubical-type_wf cubical-type-at_wf fills-A-open-box_wf coordinate_name_wf subtype_rel_list A-open-box_wf int_seg_wf nameset_wf list_wf I-cube_wf all_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut sqequalRule lemma_by_obid sqequalHypSubstitution isectElimination thin because_Cache lambdaEquality hypothesisEquality hypothesis natural_numberEquality dependent_functionElimination applyEquality independent_isectElimination setElimination rename axiomEquality equalityTransitivity equalitySymmetry functionEquality isect_memberEquality productElimination independent_functionElimination lambdaFormation imageMemberEquality baseClosed imageElimination

Latex:
\mforall{}[X:CubicalSet].  \mforall{}[A:\{X  \mvdash{}  \_\}].  \mforall{}[filler:I:(Cname  List)
                                                                                {}\mrightarrow{}  alpha:X(I)
                                                                                {}\mrightarrow{}  J:(nameset(I)  List)
                                                                                {}\mrightarrow{}  x:nameset(I)
                                                                                {}\mrightarrow{}  i:\mBbbN{}2
                                                                                {}\mrightarrow{}  A-open-box(X;A;I;alpha;J;x;i)
                                                                                {}\mrightarrow{}  A(alpha)].
    (Kan-A-filler(X;A;filler)  \mmember{}  \mBbbP{})



Date html generated: 2016_06_16-PM-06_43_23
Last ObjectModification: 2016_01_18-PM-04_52_20

Theory : cubical!sets


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