Nuprl Lemma : once-class-program_wf

∀[Info,B:Type]. ∀[X:EClass(B)]. ∀[pr:LocalClass(X)].  (once-class-program(pr) ∈ LocalClass((X once)))


Proof




Definitions occuring in Statement :  once-class-program: once-class-program(pr),  once-class: (X once),  local-class: LocalClass(X),  eclass: EClass(A[eo; e]),  uall: ∀[x:A]. B[x],  member: t ∈ T,  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  local-class: LocalClass(X),  sq_exists: ∃x:{A| B[x]},  once-class-program: once-class-program(pr),  all: ∀x:A. B[x],  subtype_rel: A ⊆r B,  so_lambda: λ2x.t[x],  implies: P ⇒ Q,  so_apply: x[s],  prop: ℙ,  so_lambda: λ2x y.t[x; y],  so_apply: x[s1;s2],  guard: {T},  uimplies: b supposing a,  and: P ∧ Q,  class-pred: class-pred(X;es;e),  class-ap: X(e),  strongwellfounded: SWellFounded(R[x; y]),  exists: ∃x:A. B[x],  nat: ℕ,  false: False,  ge: i ≥ j ,  satisfiable_int_formula: satisfiable_int_formula(fmla),  not: ¬A,  top: Top,  int_seg: {i..j-},  lelt: i ≤ j < k,  le: A ≤ B,  less_than': less_than'(a;b),  decidable: Dec(P),  or: P ∨ Q,  less_than: a < b,  squash: ↓T,  es-before: before(e),  es-local-pred: last(P),  bool: 𝔹,  unit: Unit,  it: ⋅,  btrue: tt,  uiff: uiff(P;Q),  ifthenelse: if b then t else f fi ,  isl: isl(x),  bfalse: ff,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  hdf-once: hdf-once(X),  mk-hdf: mk-hdf(s,m.G[s; m];st.H[st];s0),  hdf-halt: hdf-halt(),  hdf-halted: hdf-halted(P),  hdf-ap: X(a),  isr: isr(x),  pi1: fst(t),  sq_type: SQType(T),  bnot: ¬bb,  assert: ↑b,  ext-eq: A ≡ B,  hdf-run: hdf-run(P),  true: True,  pi2: snd(t),  once-class: (X once),  until-class: (X until Y),  empty-bag: {},  nil: []

Latex:
\mforall{}[Info,B:Type].  \mforall{}[X:EClass(B)].  \mforall{}[pr:LocalClass(X)].
    (once-class-program(pr)  \mmember{}  LocalClass((X  once)))



Date html generated: 2016_05_17-AM-09_05_27
Last ObjectModification: 2016_01_17-PM-09_15_56

Theory : local!classes


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