Reasoning tools organized by problem type.

1. Decision Under Uncertainty - Making choices with incomplete information
2. Persuasion & Influence - Changing minds and shaping behavior
3. Creative Generation - Producing novel ideas and solutions
4. Complex Systems - Understanding interconnected systems
5. Skill Mastery - Learning and developing expertise
6. Coordination & Cooperation - Organizing groups and aligning incentives
7. Truth-Seeking - Finding and validating claims
8. Conflict & Competition - Strategic interaction and adversarial reasoning
9. Resource Allocation - Distributing limited resources optimally
10. Pattern Recognition - Identifying structures and making predictions

• Glossary - Complete alphabetical index of all 516 tools with direct links
• By tool name - Cross-domain tools with variations
• By application - Problem-oriented guides