Step
*
of Lemma
map-sig-map-squash
∀[Key,Value:Type]. ∀[m:map-sig{i:l}(Key;Value)]. (↓map-sig-map(m))
BY
{ (Auto THEN D (-1) THEN Auto THEN D 0 THEN Unfold `map-sig-map` 0 THEN UseWitness ⌈m."empty"⌉⋅ THEN Auto) }
Latex:
\mforall{}[Key,Value:Type]. \mforall{}[m:map-sig\{i:l\}(Key;Value)]. (\mdownarrow{}map-sig-map(m))
By
(Auto
THEN D (-1)
THEN Auto
THEN D 0
THEN Unfold `map-sig-map` 0
THEN UseWitness \mkleeneopen{}m."empty"\mkleeneclose{}\mcdot{}
THEN Auto)
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