{ [Info:Type]. [es:EO+(Info)]. [T:Type]. [X,Y:EClass(T)].
  [f,g:E(X)  E(Y)].
    (f = g) supposing 
       (Surj(E(X);E(Y);g) and 
       Surj(E(X);E(Y);f) and 
       g:X  Y:T and 
       f:X  Y:T and 
       (y1,y2:E(Y).  (loc(y1) = loc(y2))) and 
       (x1,x2:E(X).  (loc(x1) = loc(x2)))) }

{ Proof }



Definitions occuring in Statement :  es-fwd-propagation-via: f:X  Y:T es-E-interface: E(X) eclass: EClass(A[eo; e]) event-ordering+: EO+(Info) es-loc: loc(e) Id: Id surject: Surj(A;B;f) uimplies: b supposing a uall: [x:A]. B[x] all: x:A. B[x] function: x:A  B[x] universe: Type equal: s = t
Definitions :  uall: [x:A]. B[x] es-E-interface: E(X) uimplies: b supposing a all: x:A. B[x] member: t  T nat: implies: P  Q guard: {T} assert: b prop: so_lambda: x y.t[x; y] btrue: tt ifthenelse: if b then t else f fi  true: True ge: i  j  le: A  B not: A false: False label: ...$L... t es-fwd-propagation-via: f:X  Y:T and: P  Q strongwellfounded: SWellFounded(R[x; y]) exists: x:A. B[x] so_apply: x[s1;s2] or: P  Q sq_type: SQType(T) surject: Surj(A;B;f) es-locl-op: LocalOrderPreserving(f) order-preserving: order-preserving(A;B;a1,a2.R1[a1; a2];b1,b2.R2[b1; b2];f) es-locl: (e <loc e') inject: Inj(A;B;f) subtype: S  T
Lemmas :  es-causl-swellfnd event-ordering+_inc nat_wf le_wf es-E-interface_wf surject_wf es-interface-top es-fwd-propagation-via_wf Id_wf es-loc_wf eclass_wf es-E_wf event-ordering+_wf es-causl_wf es-locl-total es-E-interface-subtype_rel subtype_base_sq bool_wf bool_subtype_base assert_wf in-eclass_wf assert_elim nat_properties ge_wf es-locl_transitivity2 es-le_weakening es-le_weakening_eq es-locl_irreflexivity

\mforall{}[Info:Type].  \mforall{}[es:EO+(Info)].  \mforall{}[T:Type].  \mforall{}[X,Y:EClass(T)].  \mforall{}[f,g:E(X)  {}\mrightarrow{}  E(Y)].
    (f  =  g)  supposing 
          (Surj(E(X);E(Y);g)  and 
          Surj(E(X);E(Y);f)  and 
          g:X  {}\mRightarrow{}  Y:T  and 
          f:X  {}\mRightarrow{}  Y:T  and 
          (\mforall{}y1,y2:E(Y).    (loc(y1)  =  loc(y2)))  and 
          (\mforall{}x1,x2:E(X).    (loc(x1)  =  loc(x2))))


Date html generated: 2011_08_16-PM-05_13_49
Last ObjectModification: 2011_06_20-AM-01_14_39

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