Nuprl Lemma : glue-term_wf

[Gamma:j⊢]. ∀[A:{Gamma ⊢ _}]. ∀[phi:{Gamma ⊢ _:𝔽}]. ∀[T:{Gamma, phi ⊢ _}]. ∀[w:{Gamma, phi ⊢ _:(T ⟶ A)}].
[t:{Gamma, phi ⊢ _:T}]. ∀[a:{Gamma ⊢ _:A[phi |⟶ app(w; t)]}].
  (glue [phi ⊢→ t] a ∈ {Gamma ⊢ _:Glue [phi ⊢→ (T;w)] A})


Proof




Definitions occuring in Statement :  glue-term: glue [phi ⊢→ t] a glue-type: Glue [phi ⊢→ (T;w)] A constrained-cubical-term: {Gamma ⊢ _:A[phi |⟶ t]} context-subset: Gamma, phi face-type: 𝔽 cubical-app: app(w; u) cubical-fun: (A ⟶ B) cubical-term: {X ⊢ _:A} cubical-type: {X ⊢ _} cubical_set: CubicalSet uall: [x:A]. B[x] member: t ∈ T
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T constrained-cubical-term: {Gamma ⊢ _:A[phi |⟶ t]} subtype_rel: A ⊆B glue-term: glue [phi ⊢→ t] a glue-type: Glue [phi ⊢→ (T;w)] A all: x:A. B[x] glue-cube: glue-cube(Gamma;A;phi;T;w;I;rho) cubical-type-at: A(a) pi1: fst(t) face-type: 𝔽 constant-cubical-type: (X) I_cube: A(I) functor-ob: ob(F) face-presheaf: 𝔽 lattice-point: Point(l) record-select: r.x face_lattice: face_lattice(I) face-lattice: face-lattice(T;eq) free-dist-lattice-with-constraints: free-dist-lattice-with-constraints(T;eq;x.Cs[x]) constrained-antichain-lattice: constrained-antichain-lattice(T;eq;P) mk-bounded-distributive-lattice: mk-bounded-distributive-lattice mk-bounded-lattice: mk-bounded-lattice(T;m;j;z;o) record-update: r[x := v] ifthenelse: if then else fi  eq_atom: =a y bfalse: ff btrue: tt implies:  Q bool: 𝔹 unit: Unit it: uiff: uiff(P;Q) and: P ∧ Q uimplies: supposing a bdd-distributive-lattice: BoundedDistributiveLattice so_lambda: λ2x.t[x] prop: so_apply: x[s] exists: x:A. B[x] or: P ∨ Q sq_type: SQType(T) guard: {T} bnot: ¬bb assert: b false: False not: ¬A rev_implies:  Q iff: ⇐⇒ Q context-subset: Gamma, phi glue-equations: glue-equations(Gamma;A;phi;T;w;I;rho;t;a) squash: T true: True csm-ap: (s)x subset-iota: iota cube-set-restriction: f(s) pi2: snd(t) cubical-app: app(w; u) cubical-term-at: u(a) cubical-term: {X ⊢ _:A} glue-morph: glue-morph(Gamma;A;phi;T;w;I;rho;J;f;u)
Lemmas referenced :  constrained-cubical-term_wf cubical-type-cumulativity2 cubical_set_cumulativity-i-j cubical-app_wf_fun context-subset_wf thin-context-subset istype-cubical-term cubical-fun_wf cubical-type_wf face-type_wf cubical_set_wf I_cube_wf fset_wf nat_wf cubical_type_at_pair_lemma fl-eq_wf cubical-term-at_wf subtype_rel_self lattice-point_wf face_lattice_wf lattice-1_wf eqtt_to_assert assert-fl-eq subtype_rel_set bounded-lattice-structure_wf lattice-structure_wf lattice-axioms_wf bounded-lattice-structure-subtype bounded-lattice-axioms_wf equal_wf lattice-meet_wf lattice-join_wf eqff_to_assert bool_cases_sqequal subtype_base_sq bool_wf bool_subtype_base assert-bnot iff_weakening_uiff assert_wf I_cube_pair_redex_lemma names-hom_wf cube-set-restriction_wf cube_set_restriction_pair_lemma cubical-type-at_wf squash_wf true_wf face-term-at-restriction-eq-1 iff_weakening_equal cube-set-restriction-comp cubical-term-at-morph istype-universe cubical-term-at-comp-is-1 csm-ap-type_wf subset-iota_wf2 cubical-term-eqcd csm-ap-type-iota subset-cubical-type context-subset-is-subset csm-ap-type-at subtype_rel_wf context-subset-restriction glue-equations_wf cubical_type_ap_morph_pair_lemma equal-glue-cube glue-morph_wf istype-cubical-type-at glue-type_wf cubical-type-ap-morph_wf iff_imp_equal_bool btrue_wf iff_functionality_wrt_iff istype-true cubical-term-at-morph1
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation_alt cut sqequalHypSubstitution setElimination thin rename hypothesis universeIsType instantiate introduction extract_by_obid isectElimination hypothesisEquality applyEquality sqequalRule because_Cache functionExtensionality dependent_functionElimination Error :memTop,  inhabitedIsType lambdaFormation_alt unionElimination equalityElimination equalityTransitivity equalitySymmetry productElimination independent_isectElimination lambdaEquality_alt productEquality cumulativity isectEquality dependent_pairFormation_alt equalityIstype promote_hyp independent_functionElimination voidElimination dependent_set_memberEquality_alt independent_pairEquality setEquality independent_pairFormation setIsType hyp_replacement imageElimination natural_numberEquality imageMemberEquality baseClosed universeEquality applyLambdaEquality functionIsType

Latex:
\mforall{}[Gamma:j\mvdash{}].  \mforall{}[A:\{Gamma  \mvdash{}  \_\}].  \mforall{}[phi:\{Gamma  \mvdash{}  \_:\mBbbF{}\}].  \mforall{}[T:\{Gamma,  phi  \mvdash{}  \_\}].
\mforall{}[w:\{Gamma,  phi  \mvdash{}  \_:(T  {}\mrightarrow{}  A)\}].  \mforall{}[t:\{Gamma,  phi  \mvdash{}  \_:T\}].  \mforall{}[a:\{Gamma  \mvdash{}  \_:A[phi  |{}\mrightarrow{}  app(w;  t)]\}].
    (glue  [phi  \mvdash{}\mrightarrow{}  t]  a  \mmember{}  \{Gamma  \mvdash{}  \_:Glue  [phi  \mvdash{}\mrightarrow{}  (T;w)]  A\})



Date html generated: 2020_05_20-PM-05_43_20
Last ObjectModification: 2020_04_21-PM-07_02_40

Theory : cubical!type!theory


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