---

Step * of Lemma length-map-sq

∀[f:Top]. ∀[L:Top List].  (||map(f;L)|| ~ ||L||)
BY
{ ((UnivCD THENA Auto) THEN BLemma `length-map` THEN Auto) }

---

Latex:

---

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


By

---

Latex:
((UnivCD  THENA  Auto)  THEN  BLemma  `length-map`  THEN  Auto)

---

Home Index