{ [A:Type]. [eq:EqDecider(A)]. [f,g:a:A fp-Type]. [a:A].
    (f  g(a)?Top r f(a)?Top) }

{ Proof }



Definitions occuring in Statement :  fpf-join: f  g fpf-cap: f(x)?z fpf: a:A fp-B[a] subtype_rel: A r B uall: [x:A]. B[x] top: Top universe: Type deq: EqDecider(T)
Definitions :  cand: A c B implies: P  Q fpf-sub: f  g pair: <a, b> list: type List true: True squash: T apply: f a so_apply: x[s] prop: lambda: x.A[x] void: Void strong-subtype: strong-subtype(A;B) equal: s = t le: A  B ge: i  j  not: A less_than: a < b uimplies: b supposing a and: P  Q uiff: uiff(P;Q) assert: b fpf-single: x : v product: x:A  B[x] set: {x:A| B[x]}  function: x:A  B[x] all: x:A. B[x] fpf-join: f  g top: Top fpf-cap: f(x)?z so_lambda: x.t[x] universe: Type fpf: a:A fp-B[a] member: t  T deq: EqDecider(T) subtype_rel: A r B isect: x:A. B[x] uall: [x:A]. B[x] MaAuto: Error :MaAuto,  tactic: Error :tactic
Lemmas :  deq_wf uall_wf fpf_wf subtype_rel_wf fpf-cap_wf fpf-join_wf top_wf true_wf squash_wf subtype-fpf-cap-top fpf-sub_wf assert_wf fpf-sub-join-left

\mforall{}[A:Type].  \mforall{}[eq:EqDecider(A)].  \mforall{}[f,g:a:A  fp->  Type].  \mforall{}[a:A].    (f  \moplus{}  g(a)?Top  \msubseteq{}r  f(a)?Top)


Date html generated: 2011_08_10-AM-08_07_15
Last ObjectModification: 2011_06_18-AM-08_25_11

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