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Step * of Lemma base-headers-msg-val-single-val

∀[f:Name ⟶ Type]. ∀[es:EO+(Message(f))]. ∀[hdr:Name]. ∀[T:Type].
  single-valued-classrel(es;Base(hdr);T) supposing hdr encodes T
BY
{ (Auto
   THEN RepUR ``single-valued-classrel base-headers-msg-val classrel`` 0
   THEN Fold `single-valued-bag` 0
   THEN (D 0 THENA Auto)
   THEN BLemma `cond-msg-body-single-valued`
   THEN Auto) }

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Latex:

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Latex:
\mforall{}[f:Name  {}\mrightarrow{}  Type].  \mforall{}[es:EO+(Message(f))].  \mforall{}[hdr:Name].  \mforall{}[T:Type].
    single-valued-classrel(es;Base(hdr);T)  supposing  hdr  encodes  T


By

---

Latex:
(Auto
  THEN  RepUR  ``single-valued-classrel  base-headers-msg-val  classrel``  0
  THEN  Fold  `single-valued-bag`  0
  THEN  (D  0  THENA  Auto)
  THEN  BLemma  `cond-msg-body-single-valued`
  THEN  Auto)

---

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