Step
*
of Lemma
count-cyclic-map
∀n:ℕ+. cyclic-map(ℕn) ~ ℕ(n - 1)!
BY
{ TACTIC:(Auto THEN RWW "cyclic-map-equipollent< injections-combinations< equipollent-factorial" 0 THEN Auto) }
Latex:
Latex:
\mforall{}n:\mBbbN{}\msupplus{}. cyclic-map(\mBbbN{}n) \msim{} \mBbbN{}(n - 1)!
By
Latex:
TACTIC:(Auto
THEN RWW "cyclic-map-equipollent< injections-combinations< equipollent-factorial" 0
THEN Auto)
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