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{ [l1,l2:IdLnk].  uiff(lnk-inv(l1) = lnk-inv(l2);l1 = l2) }

{ Proof }

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Definitions occuring in Statement :  lnk-inv: lnk-inv(l),  IdLnk: IdLnk,  uiff: uiff(P;Q),  uall: [x:A]. B[x],  equal: s = t
Definitions :  uall: [x:A]. B[x],  uiff: uiff(P;Q),  member: t  T,  and: P  Q,  uimplies: b supposing a,  prop: ,  implies: P  Q,  iff: P  Q,  rev_implies: P  Q
Lemmas :  IdLnk_wf,  lnk-inv_wf,  lnk-inv-inv

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\mforall{}[l1,l2:IdLnk].    uiff(lnk-inv(l1)  =  lnk-inv(l2);l1  =  l2)


Date html generated: 2011_08_10-AM-07_45_12
Last ObjectModification: 2011_06_18-AM-08_10_09

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