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Step * of Lemma map-sig-find_wf

∀[Key,Value:Type]. ∀[m:map-sig{i:l}(Key;Value)].  (map-sig-find(m) ∈ Key ⟶ map-sig-map(m) ⟶ (Value?))
BY
{ (ProveWfLemma THEN Unfold `map-sig-map` 0 THEN D (-1) THEN Auto) }

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Latex:

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Latex:
\mforall{}[Key,Value:Type].  \mforall{}[m:map-sig\{i:l\}(Key;Value)].
    (map-sig-find(m)  \mmember{}  Key  {}\mrightarrow{}  map-sig-map(m)  {}\mrightarrow{}  (Value?))


By

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Latex:
(ProveWfLemma  THEN  Unfold  `map-sig-map`  0  THEN  D  (-1)  THEN  Auto)

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