Nuprl Lemma : simple-comb2-concat-classrel

[Info,A,B,C:Type]. ∀[f:A ⟶ B ⟶ bag(C)]. ∀[X:EClass(A)]. ∀[Y:EClass(B)]. ∀[es:EO+(Info)]. ∀[e:E]. ∀[v:C].
  uiff(v ∈ λa,b.concat-lifting2(f;a;b)|X;Y|(e);↓∃a:A. ∃b:B. (a ∈ X(e) ∧ b ∈ Y(e) ∧ v ↓∈ b))


Proof




Definitions occuring in Statement :  simple-comb2: λx,y.F[x; y]|X;Y| classrel: v ∈ X(e) eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) es-E: E uiff: uiff(P;Q) uall: [x:A]. B[x] exists: x:A. B[x] squash: T and: P ∧ Q apply: a function: x:A ⟶ B[x] universe: Type concat-lifting2: concat-lifting2(f;abag;bbag) bag-member: x ↓∈ bs bag: bag(T)
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T nat: le: A ≤ B and: P ∧ Q less_than': less_than'(a;b) false: False not: ¬A implies:  Q prop: int_seg: {i..j-} uimplies: supposing a guard: {T} lelt: i ≤ j < k all: x:A. B[x] decidable: Dec(P) or: P ∨ Q satisfiable_int_formula: satisfiable_int_formula(fmla) exists: x:A. B[x] top: Top sq_type: SQType(T) select: L[n] cons: [a b] subtract: m less_than: a < b squash: T true: True subtype_rel: A ⊆B so_lambda: λ2y.t[x; y] so_apply: x[s1;s2] so_lambda: λ2x.t[x] so_apply: x[s] uiff: uiff(P;Q) classrel: v ∈ X(e) bag-member: x ↓∈ bs iff: ⇐⇒ Q rev_implies:  Q concat-lifting2: concat-lifting2(f;abag;bbag) concat-lifting: concat-lifting(n;f;bags) concat-lifting-list: concat-lifting-list(n;bags) lifting-gen-list-rev: lifting-gen-list-rev(n;bags) eq_int: (i =z j) ifthenelse: if then else fi  bfalse: ff btrue: tt cand: c∧ B rev_uimplies: rev_uimplies(P;Q) simple-comb2: λx,y.F[x; y]|X;Y|

Latex:
\mforall{}[Info,A,B,C:Type].  \mforall{}[f:A  {}\mrightarrow{}  B  {}\mrightarrow{}  bag(C)].  \mforall{}[X:EClass(A)].  \mforall{}[Y:EClass(B)].  \mforall{}[es:EO+(Info)].  \mforall{}[e:E].
\mforall{}[v:C].
    uiff(v  \mmember{}  \mlambda{}a,b.concat-lifting2(f;a;b)|X;Y|(e);\mdownarrow{}\mexists{}a:A.  \mexists{}b:B.  (a  \mmember{}  X(e)  \mwedge{}  b  \mmember{}  Y(e)  \mwedge{}  v  \mdownarrow{}\mmember{}  f  a  b))



Date html generated: 2016_05_17-AM-09_19_57
Last ObjectModification: 2016_01_17-PM-11_16_41

Theory : classrel!lemmas


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