Step * 1 of Lemma lookup-list-map-add-prop


1. Key Type
2. Value Type
3. deqKey EqDecider(Key)
4. key2 Key
5. val Value
6. key1 Key
⊢ lookup-list-map-find(deqKey;key1;lookup-list-map-add(deqKey;key2;val;[]))
if (deqKey key1 key2) ∧b blookup-list-map-inDom(deqKey;key2;[]))
  then inl val
  else lookup-list-map-find(deqKey;key1;[])
  fi 
∈ (Value?)
BY
(RepUR ``lookup-list-map-add update-alist lookup-list-map-find eqof apply-alist`` THEN AutoSplit⋅}


Latex:


Latex:

1.  Key  :  Type
2.  Value  :  Type
3.  deqKey  :  EqDecider(Key)
4.  key2  :  Key
5.  val  :  Value
6.  key1  :  Key
\mvdash{}  lookup-list-map-find(deqKey;key1;lookup-list-map-add(deqKey;key2;val;[]))
=  if  (deqKey  key1  key2)  \mwedge{}\msubb{}  (\mneg{}\msubb{}lookup-list-map-inDom(deqKey;key2;[]))
    then  inl  val
    else  lookup-list-map-find(deqKey;key1;[])
    fi 


By


Latex:
(RepUR  ``lookup-list-map-add  update-alist  lookup-list-map-find  eqof  apply-alist``  0  THEN  AutoSplit\mcdot{})




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