{ [A,B:Type]. [f:A  B].  (lifting-1(f)  bag(A)  bag(B)) }

{ Proof }



Definitions occuring in Statement :  lifting-1: lifting-1(f) uall: [x:A]. B[x] member: t  T function: x:A  B[x] universe: Type bag: bag(T)
Definitions :  member: t  T isect: x:A. B[x] uall: [x:A]. B[x] universe: Type axiom: Ax equal: s = t function: x:A  B[x] lifting-1: lifting-1(f) bag: bag(T) lambda: x.A[x] lifting1: lifting1(f;b) all: x:A. B[x]
Lemmas :  bag_wf lifting1_wf

\mforall{}[A,B:Type].  \mforall{}[f:A  {}\mrightarrow{}  B].    (lifting-1(f)  \mmember{}  bag(A)  {}\mrightarrow{}  bag(B))


Date html generated: 2011_08_17-PM-06_00_28
Last ObjectModification: 2011_06_02-PM-04_13_06

Home Index