Nuprl Lemma : disjoint-union-comb_wf

[Info,A,B:Type]. [X:EClass(A)]. [Y:EClass(B)].  (X (+) Y  EClass(A + B))


Proof not projected




Definitions occuring in Statement :  disjoint-union-comb: X (+) Y eclass: EClass(A[eo; e]) uall: [x:A]. B[x] member: t  T union: left + right universe: Type
Definitions :  so_lambda: x y.t[x; y] disjoint-union-comb: X (+) Y member: t  T uall: [x:A]. B[x] so_apply: x[s1;s2] all: x:A. B[x] subtype: S  T
Lemmas :  event-ordering+_wf event-ordering+_inc es-E_wf eclass_wf lifting-1_wf simple-comb-1_wf parallel-class_wf

\mforall{}[Info,A,B:Type].  \mforall{}[X:EClass(A)].  \mforall{}[Y:EClass(B)].    (X  (+)  Y  \mmember{}  EClass(A  +  B))


Date html generated: 2012_01_23-PM-01_25_11
Last ObjectModification: 2011_12_06-PM-06_30_26

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