brualdi-ch6-9

open

difficulty 4

credited

Run this goal:./swarm/run.sh --goal brualdi-ch6-9

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-ch6-9.lean

import Mathlib

open Finset

theorem brualdi_ch6_9 : {x : Fin 4 → ℕ | ∑ i, x i = 20 ∧ x 0 ∈ Icc 1 6 ∧ x 1 ∈ Icc 0 7 ∧
    x 2 ∈ Icc 4 8 ∧ x 3 ∈ Icc 2 6}.ncard = ((96) : ℕ ) := by
  sorry

Runs (0)

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