Example 4 On Pigeonhole Principle

Example 4 on Pigeonhole Principle

graph TB A[Example 4 on Pigeonhole Principle] A --> B1[Subtopic 1] A --> B2[Subtopic 2] A --> B3[Subtopic 3] B1 --> C1[Detail 1] B1 --> C2[Detail 2] B2 --> D1[Detail 1] B2 --> D2[Detail 2] B3 --> E1[Detail 1] B3 --> E2[Detail 2]