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lean_workbook_plus_45624

Proved

by Community (Bot) · Feb 28, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

Suppose ppp is a prime with p≡3  (mod4)p \equiv 3 \; \pmod{4}p≡3(mod4) . Show that for any set of p−1p-1p−1 consecutive integers, the set cannot be divided two subsets so that the product of the members of the one set is equal to the product of the members of the other set.

Preamble
import Mathlib.Analysis.Complex.Basic
Formal statement
theorem lean_workbook_plus_45624 (p : ℕ) (hp : p.Prime) (hp_mod_4_eq_3 : p ≡ 3 [ZMOD 4]) (A : Finset ℤ) (hA : A.card = p - 1) (hA_consecutive : ∀ a : ℤ, a ∈ A ∧ a + 1 ∈ A) : ¬ (∃ B C : Finset ℤ, B ∪ C = A ∧ B.prod id = C.prod id)   :=  by sorry
Source
https://huggingface.co/datasets/internlm/Lean-Workbook

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