Nuprl Lemma : loop-class-memory-is-prior-loop-class-state

[Info,B:Type]. ∀[X:EClass(B ⟶ B)]. ∀[init:Id ⟶ bag(B)].
  (loop-class-memory(X;init) Prior(loop-class-state(X;init))?init ∈ EClass(B))


Proof




Definitions occuring in Statement :  loop-class-memory: loop-class-memory(X;init) loop-class-state: loop-class-state(X;init) primed-class-opt: Prior(X)?b eclass: EClass(A[eo; e]) Id: Id uall: [x:A]. B[x] function: x:A ⟶ B[x] universe: Type equal: t ∈ T bag: bag(T)
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T and: P ∧ Q cand: c∧ B exists: x:A. B[x] so_lambda: λ2y.t[x; y] subtype_rel: A ⊆B so_apply: x[s1;s2] uimplies: supposing a all: x:A. B[x] strongwellfounded: SWellFounded(R[x; y]) nat: implies:  Q false: False ge: i ≥  satisfiable_int_formula: satisfiable_int_formula(fmla) not: ¬A top: Top prop: guard: {T} 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 loop-class-memory: loop-class-memory(X;init) so_lambda: λ2x.t[x] so_apply: x[s] bool: 𝔹 unit: Unit it: btrue: tt uiff: uiff(P;Q) ifthenelse: if then else fi  bfalse: ff sq_type: SQType(T) bnot: ¬bb assert: b loop-class-state: loop-class-state(X;init) eclass-cond: eclass-cond(X;Y) eclass3: eclass3(X;Y) class-ap: X(e) member-eclass: e ∈b X eclass: EClass(A[eo; e]) lt_int: i <j

Latex:
\mforall{}[Info,B:Type].  \mforall{}[X:EClass(B  {}\mrightarrow{}  B)].  \mforall{}[init:Id  {}\mrightarrow{}  bag(B)].
    (loop-class-memory(X;init)  =  Prior(loop-class-state(X;init))?init)



Date html generated: 2016_05_16-PM-11_41_29
Last ObjectModification: 2016_01_17-PM-07_07_47

Theory : event-ordering


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