You might find the following useful; * Doing Mathematics: An Introduction to Proofs and Problem-Solving by Steven Galovich. The above is an expansion of the f

You might find the following useful; * Doing Mathematics: An Introduction to Proofs and Problem-Solving by Steven Galovich. The above is an expansion of the first couple of chapters of his previous book; * Introduction to Mathematical Structures by Steven Galovich. Reference: 1) https://mathoverflow.net/questions/62629/textbook-recommendations-for-undergraduate-proof-writing-class https://mathoverflow.net/questions/62629/textbook-recommenda... 2) https://math.stackexchange.com/questions/10209/resources-books-for-discrete-mathematics https://math.stackexchange.com/questions/10209/resources-boo...