brualdi-ch6-11

open

difficulty 4

credited

Run this goal:./swarm/run.sh --goal brualdi-ch6-11

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/brualdi-ch6-11.lean

import Mathlib

theorem brualdi_ch6_11 (sols : Finset (Equiv.Perm (Finset.Icc 1 8)))
    (h_sols : ∀ σ, σ ∈ sols ↔ (∀ i, Even i.1 → σ i ≠ i)) :
    sols.card = ((24024) : ℕ ) := by
  sorry

Runs (0)

No runs recorded for this suite yet — they appear here as the swarm attempts the benchmarks.