Nuprl Lemma : SM2-class_wf

[A,B,C:']. [init:Id  bag(C)]. [trX1:Id  A  C  C  EClass'(A)]. [trX2:Id  B  C  C  EClass'(B)].
  (SM2-class(init;trX1;trX2)  EClass'(C))


Proof not projected




Definitions occuring in Statement :  SM2-class: SM2-class(init;trX1;trX2) Message: Message eclass: EClass(A[eo; e]) Id: Id uall: [x:A]. B[x] member: t  T function: x:A  B[x] product: x:A  B[x] universe: Type bag: bag(T)
Definitions :  member: t  T ifthenelse: if b then t else f fi  eq_int: (i = j) nat_plus: int_seg: {i..j} lelt: i  j < k and: P  Q le: A  B not: A implies: P  Q false: False prop: all: x:A. B[x] btrue: tt bfalse: ff subtype: S  T suptype: suptype(S; T) label: ...$L... t exists: x:A. B[x] uall: [x:A]. B[x] SM2-class: SM2-class(init;trX1;trX2) bool: decidable: Dec(P) or: P  Q sq_type: SQType(T) uimplies: b supposing a guard: {T} unit: Unit uiff: uiff(P;Q) it:
Lemmas :  SM-gen-class_wf Message_wf le_wf ifthenelse_wf eq_int_wf int_seg_wf decidable__equal_int subtype_base_sq int_subtype_base bfalse_wf bool_wf uiff_transitivity assert_wf eqtt_to_assert assert_of_eq_int Id_wf eclass_wf2 bnot_wf not_wf eqff_to_assert assert_of_bnot not_functionality_wrt_uiff int_seg_properties btrue_wf bag_wf

\mforall{}[A,B,C:\mBbbU{}'].  \mforall{}[init:Id  {}\mrightarrow{}  bag(C)].  \mforall{}[trX1:Id  {}\mrightarrow{}  A  {}\mrightarrow{}  C  {}\mrightarrow{}  C  \mtimes{}  EClass'(A)].
\mforall{}[trX2:Id  {}\mrightarrow{}  B  {}\mrightarrow{}  C  {}\mrightarrow{}  C  \mtimes{}  EClass'(B)].
    (SM2-class(init;trX1;trX2)  \mmember{}  EClass'(C))


Date html generated: 2011_10_20-PM-03_36_41
Last ObjectModification: 2011_08_17-AM-00_55_49

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