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math-proof

Helps write and review mathematical proofs in natural language. It clarifies assumptions, maps dependencies between claims and lemmas, checks counterexamples and edge cases, and produces a traceable draft that identifies unresolved gaps or necessary changes to the statement.

OriginalShow the original description

严格自然语言数学证明。用于证明或审查 theorem/lemma/proposition、补齐证明草稿、构建证明义务与依赖图、寻找反例、检查量词/常数/边界情况,或判断命题是否必须削弱。

See how to install

Good for

  • Filling gaps in a mathematical proof draft
  • Mapping dependencies between claims and lemmas
  • Searching for counterexamples and edge cases
  • Reviewing whether a claim needs revised assumptions

Files included (6)

  • SKILL.md4.1 KB
  • CHANGELOG.md664 B
  • references/index.md147 B
  • references/pressure-tests.md2.1 KB
  • references/source-map.md809 B
  • VERSION6 B

SKILL.md (original)

Review the instructions the agent will receive before you install.

Math Proof

产出可审计的证明包;命题不成立或条件不足时,优先反驳或修正,不制造漂亮假证明。

Position in the Method Map

本 skill 位于“演绎验证 / 定理证明”的 proof-engineering 阶段,前置是 FORMAL-METHODS-MAP.md 所定义的规格与语义边界。证明草稿、引理图和自然语言审查不会自动等同于 Lean kernel check;需要形式化时交给 math-formalization,需要有限反例或 SMT 路径时交给 math-computation。

When to Use This Skill

  • 用户要求证明、补全或检查一个数学命题。
  • 当前证明含“显然”“类似”“标准论证”等可能隐藏缺口的跳步。
  • 需要将大结论拆成引理、证明义务和依赖图。
  • 需要从边界值、退化情形或量词顺序寻找反例。

Not For / Boundaries

  • 候选库条目必须先形成精确用户请求或 active ProblemContract;来源状态、目录题面或 candidate formal file 不能触发研究证明或 Result 晋升。
  • 自然语言证明只能达到 proof-drafted 或经真实人工审查后的 human-reviewed。
  • kernel-checked 只由 math-formalization 的真实 proof assistant 成功证据产生。
  • 不静默强化假设、缩小定义域或改变结论量词。
  • 引用标准定理时必须说明名称、版本/来源和为何满足前提。
  • 证明义务图出现重复 ID、未知依赖、循环或未闭合节点时必须 fail-closed,不能 warning 后继续。
  • 子引理被反驳只否定当前证明路线;除非反例直接满足原命题的否定,不能把原命题标记 refuted。

Quick Reference

Claim:精确陈述与量词顺序。
Status:provable-as-stated / repaired / refuted / blocked。
Assumptions:显式、隐藏和最小必要条件。
Proof obligations:每个非平凡蕴含一个义务。
Dependency map:结论 -> 引理 -> 外部定理 -> 假设。
Graph gate:节点 ID 唯一、依赖存在、无环、所有终点可追溯到 Claim。
Attack pass:边界、退化、极端尺度、量词交换、等号条件。
Proof:编号步骤,每步绑定义务或已验证结果。
Open gaps:任何未闭合项都会阻止完成声明。
Route status:open / blocked / refuted / closed,与 Claim status 分开记录。

Examples

Example 1:命题为假

  • 输入:一个全称不等式。
  • 动作:先检查边界和小规模反例,再决定证明策略。
  • 验收:找到反例后停止写证明,输出最小反例和可能修正版。

Example 2:缺少紧致性

  • 输入:证明草稿在极值存在性处跳步。
  • 动作:隔离存在性义务,核查连续性、闭性和有界性。
  • 验收:条件不足时状态为 repaired/blocked,不写“显然存在”。

Example 3:完整证明草稿

  • 输入:陈述、假设与若干已知引理。
  • 动作:建立依赖图,逐项闭合证明义务并做反例攻击。
  • 验收:statement 与实际证明完全一致,仍标记 proof-drafted 而非 kernel-checked。

Example 4:路线引理为假

  • 输入:某条证明路线依赖一个可被反例推翻的辅助引理。
  • 动作:将该 route 标记 refuted,检查反例是否也反驳原 Claim,并保留其他独立路线。
  • 验收:没有原命题反例时,Claim 仍为 blocked/open,而不是 refuted。

References

  • references/source-map.md:证明、审稿、proof DAG 与批判性思考来源映射。
  • references/pressure-tests.md:错误命题、DAG 完整性、路线状态与隐藏缺口压力场景。

Maintenance

  • Sources:annals-of-mathematics-skills、kdense-scientific-skills、proofflow、leanprover-skills;上游图与 skill 只作方法/反例来源,不代表本项目已安装或验证。
  • Last updated:2026-08-26。
  • Verification:项目结构校验;数学正确性需要人工或 proof assistant 证据。

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