inequality-chain

Prove inequalities by chaining classical bounds like AM-GM and Cauchy-Schwarz.

3|Updated Feb 9, 2026
One-click install
npx skills add https://github.com/0bserver07/bourbaki --skill inequality-chain
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: inequality-chain
Source: https://github.com/0bserver07/bourbaki/tree/main/src/skills/inequality-chain
Command: npx skills add https://github.com/0bserver07/bourbaki --skill inequality-chain

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Prove inequalities by combining classical inequalities and chaining bounds in analysis, providing a structured workflow for verifying bounds and deriving results.

Core Features & Use Cases

  • Systematic method to apply AM-GM, Cauchy-Schwarz, triangle inequality, Jensen's inequality, and other tools to bound expressions.
  • Step-by-step framework (classify, select patterns, apply chaining) with worked examples for sums, products, and norms.
  • Optional Lean formalization guidance and ready-to-use templates for common inequality proofs.

Quick Start

To get started, provide a concrete inequality problem and I will apply AM-GM, Cauchy–Schwarz, and chaining to derive a bound.

Frequently Asked Questions about inequality-chain

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I prove inequalities using AM-GM and Cauchy-Schwarz chaining?

You prove inequalities by classifying expressions, selecting classical patterns like AM-GM or Cauchy-Schwarz, and chaining bounds to derive verifiable results. Provide a concrete problem to trigger this structured workflow.

What is inequality chaining in real analysis and optimization?

Inequality chaining is a proof strategy combining classical inequalities to bound sums, products, and absolute values. It provides a step-by-step framework for deriving tight estimates in analysis and norm-based problems.

Can I formalize inequality proofs in Lean using this chaining method?

Yes, you can formalize inequality proofs in Lean. The method provides optional formalization guidance and ready-to-use templates to verify bounds derived from AM-GM, Cauchy-Schwarz, and Jensen's inequality.

When do I need to use triangle inequality and Jensen's inequality for bounds?

Use triangle inequality and Jensen's inequality when bounding expressions involving absolute values, norms, or convex functions. These classical tools are essential for deriving tight estimates in optimization and real analysis.

What is the best way to chain multiple inequalities for a tight proof?

The best way to chain inequalities is following a systematic method: classify the problem, select appropriate classical patterns, and apply chaining sequentially. This structured approach ensures bounds remain tight and verifiable.