---

Step * of Lemma select-map-index

∀[f:Top]. ∀[L:Top List]. ∀[i:ℕ||L||].  (map-index(f;L)[i] ~ f i L[i])
BY
{ (Unfold `map-index` 0 THEN Auto THEN RWO "select-map-index_aux" 0⋅ THEN Auto) }

---

Latex:

---

Latex:
\mforall{}[f:Top].  \mforall{}[L:Top  List].  \mforall{}[i:\mBbbN{}||L||].    (map-index(f;L)[i]  \msim{}  f  i  L[i])


By

---

Latex:
(Unfold  `map-index`  0  THEN  Auto  THEN  RWO  "select-map-index\_aux"  0\mcdot{}  THEN  Auto)

---

Home Index