putnam-v1 / putnam-1966-a3
putnam-1966-a3
proved
difficulty 4
credited
Run this goal:
./swarm/run.sh --goal putnam-1966-a3What it runs
The Lean statement the swarm must prove — kernel-verified at Gate A. The trailing sorry is the open obligation a proof replaces.
goals/putnam-1966-a3.lean
import Mathlib
open Topology Filter
theorem putnam_1966_a3 (x : ℕ → ℝ)
(hx1 : 0 < x 1 ∧ x 1 < 1)
(hxi : ∀ n ≥ 1, x (n + 1) = (x n) * (1 - (x n)))
: Tendsto (fun n : ℕ => n * (x n)) atTop (𝓝 1) := by
sorryRuns (0)
No runs recorded for this suite yet — they appear here as the swarm attempts the benchmarks.