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 ⊆B so_lambda: λ2x.t[x] implies:  Q so_apply: x[s] prop: so_lambda: λ2y.t[x; y] so_apply: x[s1;s2] guard: {T} uimplies: 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: false: False ge: i ≥  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 then else fi  isl: isl(x) bfalse: ff iff: ⇐⇒ Q rev_implies:  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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