Nuprl Lemma : dM-hom-unique

∀[I:fset(ℕ)]. ∀[L:BoundedDistributiveLattice]. ∀[eqL:EqDecider(Point(L))]. ∀[g,h:Hom(dM(I);L)].
  g = h ∈ Hom(dM(I);L) supposing ∀i:names(I). (((g <i>) = (h <i>) ∈ Point(L)) ∧ ((g <1-i>) = (h <1-i>) ∈ Point(L)))


Proof




Definitions occuring in Statement :  dM_opp: <1-x>,  dM_inc: <x>,  dM: dM(I),  names: names(I),  bdd-distributive-lattice: BoundedDistributiveLattice,  bounded-lattice-hom: Hom(l1;l2),  lattice-point: Point(l),  fset: fset(T),  deq: EqDecider(T),  nat: ℕ,  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x],  and: P ∧ Q,  apply: f a,  equal: s = t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  uimplies: b supposing a,  prop: ℙ,  so_lambda: λ2x.t[x],  and: P ∧ Q,  subtype_rel: A ⊆r B,  bdd-distributive-lattice: BoundedDistributiveLattice,  so_apply: x[s],  bounded-lattice-hom: Hom(l1;l2),  lattice-hom: Hom(l1;l2),  DeMorgan-algebra: DeMorganAlgebra,  guard: {T},  dM: dM(I),  free-DeMorgan-lattice: free-DeMorgan-lattice(T;eq),  all: ∀x:A. B[x],  dminc: <i>,  dM_inc: <x>,  dmopp: <1-i>,  dM_opp: <1-x>
Lemmas referenced :  all_wf,  names_wf,  equal_wf,  lattice-point_wf,  subtype_rel_set,  bounded-lattice-structure_wf,  lattice-structure_wf,  lattice-axioms_wf,  bounded-lattice-structure-subtype,  bounded-lattice-axioms_wf,  uall_wf,  lattice-meet_wf,  lattice-join_wf,  dM_inc_wf,  dM_opp_wf,  bounded-lattice-hom_wf,  dM_wf,  DeMorgan-algebra-structure_wf,  DeMorgan-algebra-structure-subtype,  subtype_rel_transitivity,  DeMorgan-algebra-axioms_wf,  deq_wf,  bdd-distributive-lattice_wf,  fset_wf,  nat_wf,  free-dist-lattice-hom-unique2,  union-deq_wf,  names-deq_wf,  free-dma-hom-is-lattice-hom
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  hypothesis,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  sqequalRule,  lambdaEquality,  productEquality,  applyEquality,  instantiate,  cumulativity,  universeEquality,  because_Cache,  independent_isectElimination,  setElimination,  rename,  isect_memberEquality,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  unionEquality,  hyp_replacement,  lambdaFormation,  unionElimination,  dependent_functionElimination,  productElimination

Latex:
\mforall{}[I:fset(\mBbbN{})].  \mforall{}[L:BoundedDistributiveLattice].  \mforall{}[eqL:EqDecider(Point(L))].  \mforall{}[g,h:Hom(dM(I);L)].
    g  =  h  supposing  \mforall{}i:names(I).  (((g  <i>)  =  (h  <i>))  \mwedge{}  ((g  ə-i>)  =  (h  ə-i>)))



Date html generated: 2017_10_05-AM-00_59_29
Last ObjectModification: 2017_07_28-AM-09_25_20

Theory : cubical!type!theory


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