A Treatise on Differential Equations by George Boole is one of the nineteenth century's most influential works on the theory and solution of differential equations. Written by the celebrated mathematician and logician best known for laying the foundations of Boolean algebra this classic text presents a systematic study of ordinary differential equations and the analytical methods used to solve them. Beginning with fundamental principles Boole develops the theory of differential equations through clear explanations rigorous proofs and carefully selected examples. The book covers first-order and higher-order differential equations linear equations singular solutions exact equations integrating factors and methods for solving equations encountered in mathematical physics and engineering. Throughout Boole emphasizes both the logical structure of mathematical reasoning and the practical techniques required for solving complex problems. Renowned for its precision and scholarly depth A Treatise on Differential Equations became a standard university text and influenced generations of mathematicians and scientists. Although modern notation and methods have evolved the work remains an important historical and educational resource for students of mathematics the history of science applied mathematics and classical analysis.