Nuprl Lemma : fill_term_1

∀[H:j⊢]. ∀[phi:{H ⊢ _:𝔽}]. ∀[T:{H.𝕀 ⊢ _}]. ∀[u:{H.𝕀, (phi)p ⊢ _:T}]. ∀[a0:{H ⊢ _:(T)[0(𝕀)][phi |⟶ u[0]]}].
∀[cT:H.𝕀 ⊢ Compositon(T)].
  ((fill cT [phi ⊢→ u] a0)[1(𝕀)] = comp cT [phi ⊢→ u] a0 ∈ {H ⊢ _:(T)[1(𝕀)]})


Proof




Definitions occuring in Statement :  fill_term: fill cA [phi ⊢→ u] a0,  comp_term: comp cA [phi ⊢→ u] a0,  composition-structure: Gamma ⊢ Compositon(A),  partial-term-0: u[0],  constrained-cubical-term: {Gamma ⊢ _:A[phi |⟶ t]},  context-subset: Gamma, phi,  face-type: 𝔽,  interval-1: 1(𝕀),  interval-0: 0(𝕀),  interval-type: 𝕀,  csm-id-adjoin: [u],  cc-fst: p,  cube-context-adjoin: X.A,  csm-ap-term: (t)s,  cubical-term: {X ⊢ _:A},  csm-ap-type: (AF)s,  cubical-type: {X ⊢ _},  cubical_set: CubicalSet,  uall: ∀[x:A]. B[x],  equal: s = t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  composition-structure: Gamma ⊢ Compositon(A),  comp_term: comp cA [phi ⊢→ u] a0,  fill_term: fill cA [phi ⊢→ u] a0,  comp-to-fill: comp-to-fill(Gamma;cA),  uniform-comp-function: uniform-comp-function{j:l, i:l}(Gamma; A; comp),  all: ∀x:A. B[x],  member: t ∈ T,  guard: {T},  cc-snd: q,  interval-type: 𝕀,  cc-fst: p,  csm-ap-type: (AF)s,  constant-cubical-type: (X),  uimplies: b supposing a,  subtype_rel: A ⊆r B,  constrained-cubical-term: {Gamma ⊢ _:A[phi |⟶ t]},  implies: P ⇒ Q,  true: True,  prop: ℙ,  squash: ↓T,  iff: P ⇐⇒ Q,  and: P ∧ Q,  rev_implies: P ⇐ Q,  same-cubical-type: Gamma ⊢ A = B,  partial-term-0: u[0],  csm-ap: (s)x,  csm-adjoin: (s;u),  csm-id: 1(X),  compose: f o g,  cc-adjoin-cube: (v;u),  csm-comp: G o F,  csm-m: m,  csm-id-adjoin: [u],  interval-0: 0(𝕀),  same-cubical-term: X ⊢ u=v:A,  cubical-type: {X ⊢ _},  so_apply: x[s],  so_lambda: λ2x.t[x],  bdd-distributive-lattice: BoundedDistributiveLattice,  btrue: tt,  bfalse: ff,  eq_atom: x =a y,  ifthenelse: if b then t else f fi ,  record-update: r[x := v],  mk-bounded-lattice: mk-bounded-lattice(T;m;j;z;o),  mk-bounded-distributive-lattice: mk-bounded-distributive-lattice,  constrained-antichain-lattice: constrained-antichain-lattice(T;eq;P),  free-dist-lattice-with-constraints: free-dist-lattice-with-constraints(T;eq;x.Cs[x]),  face-lattice: face-lattice(T;eq),  face_lattice: face_lattice(I),  record-select: r.x,  lattice-point: Point(l),  face-presheaf: 𝔽,  functor-ob: ob(F),  I_cube: A(I),  face-type: 𝔽,  pi1: fst(t),  cubical-type-at: A(a),  face-term-implies: Gamma ⊢ (phi ⇒ psi),  context-subset: Gamma, phi,  cube-context-adjoin: X.A,  case-term: (u ∨ v),  cubical-term-at: u(a),  csm-ap-term: (t)s,  face-zero: (i=0),  pi2: snd(t),  bool: 𝔹,  unit: Unit,  it: ⋅,  uiff: uiff(P;Q),  exists: ∃x:A. B[x],  or: P ∨ Q,  sq_type: SQType(T),  bnot: ¬bb,  assert: ↑b,  false: False,  not: ¬A,  dM0: 0,  interval-presheaf: 𝕀,  dM: dM(I),  free-DeMorgan-algebra: free-DeMorgan-algebra(T;eq),  mk-DeMorgan-algebra: mk-DeMorgan-algebra(L;n),  free-DeMorgan-lattice: free-DeMorgan-lattice(T;eq),  free-dist-lattice: free-dist-lattice(T; eq),  DeMorgan-algebra: DeMorganAlgebra,  interval-meet: r ∧ s,  interval-1: 1(𝕀),  face-or: (a ∨ b),  dm-neg: ¬(x),  lattice-extend: lattice-extend(L;eq;eqL;f;ac),  lattice-fset-join: \/(s),  reduce: reduce(f;k;as),  list_ind: list_ind,  fset-image: f"(s),  f-union: f-union(domeq;rngeq;s;x.g[x]),  list_accum: list_accum,  dM1: 1,  lattice-1: 1,  fset-singleton: {x},  cons: [a / b],  nil: [],  fset-union: x ⋃ y,  l-union: as ⋃ bs,  insert: insert(a;L),  eval_list: eval_list(t),  deq-member: x ∈b L,  lattice-join: a ∨ b,  opposite-lattice: opposite-lattice(L),  so_lambda: λ2x y.t[x; y],  lattice-meet: a ∧ b,  fset-ac-glb: fset-ac-glb(eq;ac1;ac2),  fset-minimals: fset-minimals(x,y.less[x; y]; s),  fset-filter: {x ∈ s | P[x]},  filter: filter(P;l),  lattice-fset-meet: /\(s),  empty-fset: {},  lattice-0: 0,  partial-term-1: u[1],  composition-function: composition-function{j:l,i:l}(Gamma;A),  cat-functor: Functor(C1;C2),  ps_context: __⊢,  cubical_set: CubicalSet,  cat-arrow: cat-arrow(C),  cat-ob: cat-ob(C),  quotient: x,y:A//B[x; y],  fset: fset(T),  csm+: tau+,  spreadn: spread4,  op-cat: op-cat(C),  cube-cat: CubeCat,  type-cat: TypeCat
Lemmas referenced :  cube-context-adjoin_wf,  interval-type_wf,  csm-id-adjoin_wf,  interval-1_wf,  csm-comp_wf,  csm-m_wf,  csm-id_wf,  face-or_wf,  csm-ap-term_wf,  face-type_wf,  csm-face-type,  cc-fst_wf_interval,  face-zero_wf,  cc-snd_wf,  context-subset_wf,  context-subset-map,  composition-structure_wf,  csm-ap-type_wf,  interval-0_wf,  partial-term-0_wf,  constrained-cubical-term-eqcd,  istype-cubical-term,  thin-context-subset,  cubical-type_wf,  cubical_set_wf,  csm-id-adjoin_wf-interval-0,  sub_cubical_set_self,  subset-cubical-term,  cc-fst_wf,  cubical_set_cumulativity-i-j,  context-subset-is-subset,  true_wf,  squash_wf,  cubical-term_wf,  cubical-type-cumulativity2,  cube_set_map_wf,  csm-comp-type,  csm-context-subset-subtype2,  equal_wf,  istype-universe,  0-comp-cc-fst-comp-m,  subtype_rel_self,  iff_weakening_equal,  csm-m-comp-1,  csm-ap-id-type,  face-and_wf,  csm-ap-term-wf-subset,  csm-comp-term,  face-term-and-implies1,  face-term-and-implies2,  face-term-implies-subset,  sub_cubical_set-cumulativity1,  csm-subset-domain,  cubical-term-eqcd,  context-iterated-subset,  case-term_wf,  context-adjoin-subset3,  csm-context-subset-subtype3,  subtype_rel_transitivity,  lattice-1_wf,  csm-face-or,  lattice-join_wf,  lattice-meet_wf,  bounded-lattice-axioms_wf,  bounded-lattice-structure-subtype,  lattice-axioms_wf,  lattice-structure_wf,  bounded-lattice-structure_wf,  subtype_rel_set,  cc-fst-comp-csm-m-term,  nat_wf,  fset_wf,  I_cube_wf,  cubical-term-at_wf,  face_lattice_wf,  lattice-point_wf,  I_cube_pair_redex_lemma,  face-or-eq-1,  fl-eq_wf,  eqtt_to_assert,  assert-fl-eq,  eqff_to_assert,  bool_cases_sqequal,  subtype_base_sq,  bool_wf,  bool_subtype_base,  assert-bnot,  iff_weakening_uiff,  assert_wf,  cubical_type_at_pair_lemma,  cubical-type-at_wf,  interval-type-at-is-point,  lattice-0-meet,  dM_wf,  bdd-distributive-lattice-subtype-bdd-lattice,  DeMorgan-algebra-subtype,  DeMorgan-algebra_wf,  bdd-distributive-lattice_wf,  bdd-lattice_wf,  DeMorgan-algebra-structure_wf,  DeMorgan-algebra-structure-subtype,  DeMorgan-algebra-axioms_wf,  istype-cubical-type-at,  csm-ap-term-at,  dM0_wf,  interval-type-at,  cubical-term-equal,  subset-cubical-type,  csm-m-comp-0,  interval-meet_wf,  lattice-meet-idempotent,  bdd-distributive-lattice-subtype-lattice,  lattice_wf,  dM1_wf,  csm_id_adjoin_fst_term_lemma,  cubical-type-at_wf_face-type,  lattice-join-0,  dM-to-FL-dM0,  partial-term-1_wf,  iff_imp_equal_bool,  btrue_wf,  iff_functionality_wrt_iff,  istype-true,  pi1_wf_top,  subtype_rel_product,  top_wf,  equal_functionality_wrt_subtype_rel2,  cube-set-map-subtype,  csm-id-adjoin_wf-interval-1,  csm+_wf_interval,  csm-equal,  cat-functor_wf,  cat-ob_wf,  type-cat_wf,  cube-cat_wf,  op-cat_wf,  functor-ob_wf,  dM1-meet,  cube_set_restriction_pair_lemma,  ob_pair_lemma,  cat_ob_pair_lemma,  cat_arrow_triple_lemma,  context-adjoin-subset2,  sub_cubical_set_transitivity,  context-subset-adjoin-subtype,  sub_cubical_set_functionality,  subset-cubical-term2
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation_alt,  sqequalHypSubstitution,  setElimination,  thin,  rename,  cut,  sqequalRule,  dependent_functionElimination,  instantiate,  introduction,  extract_by_obid,  hypothesis,  isectElimination,  hypothesisEquality,  because_Cache,  Error :memTop,  equalityTransitivity,  equalitySymmetry,  universeIsType,  independent_isectElimination,  applyEquality,  independent_functionElimination,  equalityIstype,  lambdaFormation_alt,  inhabitedIsType,  hyp_replacement,  lambdaEquality_alt,  baseClosed,  imageMemberEquality,  natural_numberEquality,  imageElimination,  universeEquality,  productElimination,  applyLambdaEquality,  productIsType,  independent_pairFormation,  dependent_set_memberEquality_alt,  sqequalBase,  cumulativity,  isectEquality,  productEquality,  functionExtensionality,  unionElimination,  equalityElimination,  dependent_pairFormation_alt,  promote_hyp,  voidElimination,  dependent_pairEquality_alt,  functionEquality

Latex:
\mforall{}[H:j\mvdash{}].  \mforall{}[phi:\{H  \mvdash{}  \_:\mBbbF{}\}].  \mforall{}[T:\{H.\mBbbI{}  \mvdash{}  \_\}].  \mforall{}[u:\{H.\mBbbI{},  (phi)p  \mvdash{}  \_:T\}].
\mforall{}[a0:\{H  \mvdash{}  \_:(T)[0(\mBbbI{})][phi  |{}\mrightarrow{}  u[0]]\}].  \mforall{}[cT:H.\mBbbI{}  \mvdash{}  Compositon(T)].
    ((fill  cT  [phi  \mvdash{}\mrightarrow{}  u]  a0)[1(\mBbbI{})]  =  comp  cT  [phi  \mvdash{}\mrightarrow{}  u]  a0)



Date html generated: 2020_05_20-PM-04_49_46
Last ObjectModification: 2020_05_02-PM-04_36_43

Theory : cubical!type!theory


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