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DAG Validation Algorithm Visualization

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This interactive visualization demonstrates the three-color DFS (Depth-First Search) algorithm used to detect cycles in learning graph dependencies.

Interactive Diagram

Overview

The visualization shows: - White nodes: Unvisited concepts - Gray nodes: Currently being explored (on the DFS stack) - Black nodes: Fully explored - Red edge: Indicates a cycle (back edge)

When an edge points to a gray node, a cycle is detected, invalidating the DAG structure.