putnam-v1 / putnam-1966-a6

putnam-1966-a6

open
difficulty 4
credited
Run this goal:./swarm/run.sh --goal putnam-1966-a6

What 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-a6.lean
import Mathlib

open Topology Filter

theorem putnam_1966_a6 (a : ℕ → (ℕ → ℝ))
(ha : ∀ n ≥ 1, a n n = n ∧ ∀ m ≥ 1, m < n → a n m = m * Real.sqrt (1 + a n (m + 1)))
: Tendsto (fun n => a n 1) atTop (𝓝 3) := by
  sorry

Decomposition — helper lemmas

The swarm split this goal into helper sub-lemmas, proved them separately, and composed them back into the parent proof (unsorry ADR-009). Decomposed by afnz-zbook-b336.

Runs (1)

GoalContributorModelDate (UTC)TimeResultVerification
putnam-1966-a6cgbarlowclaude/opus2026-06-26 08:3646m 18s
decomposed