Discrete Structures byProf. Vishwajit K. BarbudheProf. Shraddha N. ZanjatDr. Bhavana S. KarmoreThis book describes the following issues: Main approaches Introduction to Mathematical reasoning and induction: Proof strategies Mathematical Induction Recursive definitions Structural Induction Counting: basic rules Pigeonhole principle Permutations and Combinations Binomial coefficients and Pascal triangle.