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Step * of Lemma simple-loc-comb-1-concat-classrel-weak

∀[Info,A,B:Type]. ∀[f:Id ─→ A ─→ bag(B)]. ∀[X:EClass(A)]. ∀[es:EO+(Info)]. ∀[e:E]. ∀[v:B].
  (v ∈ f@(Loc, X)(e) ⇐⇒ ↓∃a:A. (a ∈ X(e) ∧ v ↓∈ f loc(e) a))
BY
{ (InstLemma `simple-loc-comb-1-concat-classrel` [] THEN Repeat (ParallelLast')) }

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Latex:

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Latex:
\mforall{}[Info,A,B:Type].  \mforall{}[f:Id  {}\mrightarrow{}  A  {}\mrightarrow{}  bag(B)].  \mforall{}[X:EClass(A)].  \mforall{}[es:EO+(Info)].  \mforall{}[e:E].  \mforall{}[v:B].
    (v  \mmember{}  f@(Loc,  X)(e)  \mLeftarrow{}{}\mRightarrow{}  \mdownarrow{}\mexists{}a:A.  (a  \mmember{}  X(e)  \mwedge{}  v  \mdownarrow{}\mmember{}  f  loc(e)  a))


By

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Latex:
(InstLemma  `simple-loc-comb-1-concat-classrel`  []  THEN  Repeat  (ParallelLast'))

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