00362nam a22001457a 4500 20251202105316.0 9781032687704 DeBonis, Mark J 5824 Beginners guide to mathematical proof Oxon CRC press 2025 x+159 Combinatorics 5825 Number theory 78 ddc BK 754005 754005 0 0 ddc 0 0 MAT MAT GEN 2025-10-17 A & A Book House, Trivandrum 0 511.36 DeB-B MAT8146 2025-12-02 05:46:27 2025-12-02 BK