Nuprl Lemma : face_lattice-point-subtype

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


Proof




Definitions occuring in Statement :  face_lattice: face_lattice(I),  lattice-point: Point(l),  f-subset: xs ⊆ ys,  fset: fset(T),  int-deq: IntDeq,  nat: ℕ,  uimplies: b supposing a,  subtype_rel: A ⊆r B,  uall: ∀[x:A]. B[x]
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  uimplies: b supposing a,  subtype_rel: A ⊆r B,  prop: ℙ,  nat: ℕ,  so_lambda: λ2x.t[x],  so_apply: x[s],  face_lattice: face_lattice(I),  bdd-distributive-lattice: BoundedDistributiveLattice,  and: P ∧ Q,  top: Top,  cand: A c∧ B,  union-deq: union-deq(A;B;a;b),  sumdeq: sumdeq(a;b)
Lemmas referenced :  face-lattice-constraints_wf,  fset-contains-none_wf,  fset-all_wf,  union-deq_wf,  fset-antichain_wf,  assert_wf,  names-subtype,  subtype_rel_union,  fset-subtype,  fl-point-sq,  lattice-join_wf,  lattice-meet_wf,  equal_wf,  uall_wf,  bounded-lattice-axioms_wf,  bounded-lattice-structure-subtype,  lattice-axioms_wf,  lattice-structure_wf,  bounded-lattice-structure_wf,  subtype_rel_set,  names-deq_wf,  names_wf,  face-lattice_wf,  lattice-point_wf,  fset_wf,  strong-subtype-self,  le_wf,  strong-subtype-set3,  strong-subtype-deq-subtype,  int-deq_wf,  nat_wf,  f-subset_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  axiomEquality,  hypothesis,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  applyEquality,  intEquality,  independent_isectElimination,  because_Cache,  lambdaEquality,  natural_numberEquality,  hypothesisEquality,  isect_memberEquality,  equalityTransitivity,  equalitySymmetry,  instantiate,  productEquality,  cumulativity,  universeEquality,  voidElimination,  voidEquality,  setElimination,  rename,  dependent_set_memberEquality,  productElimination,  unionEquality,  independent_pairFormation

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



Date html generated: 2016_05_18-PM-00_09_24
Last ObjectModification: 2016_03_25-AM-10_33_40

Theory : cubical!type!theory


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