Title
Proofs: A Longform Mathematics Textbook (The Longform Math Textbook Series)
Delivery time: 8-12 business days (International)
This Textbook Is Designed For Students. Rather Than The Typical Definitiontheoremproofrepeat Style, This Text Includes Much More Commentary, Motivation And Explanation. The Proofs Are Not Terse, And Aim For Understanding Over Economy. Furthermore, Dozens Of Proofs Are Preceded By Scratch Work Or A Proof Sketch To Give Students A Bigpicture View And An Explanation Of How They Would Come Up With It On Their Own.This Book Covers Intuitive Proofs, Direct Proofs, Sets, Induction, Logic, The Contrapositive, Contradiction, Functions And Relations. The Text Aims To Make The Ideas Visible, And Contains Over 200 Illustrations. The Writing Is Relaxed And Conversational, And Includes Periodic Attempts At Humor.This Text Is Also An Introduction To Higher Mathematics. This Is Done Inpart Through The Chosen Examples And Theorems. Furthermore, Following Every Chapter Is An Introduction To An Area Of Math. These Include Ramsey Theory, Number Theory, Topology, Sequences, Real Analysis, Big Data, Game Theory, Cardinality And Group Theory.After Every Chapter Are Protips, Which Are Short Thoughts On Things I Wish I Had Known When I Took My Introtoproofs Class. They Include Finer Comments On The Material, Study Tips, Historical Notes, Comments On Mathematical Culture, And More. Also, After Each Chapters Exercises Is An Introduction To An Unsolved Problem In Mathematics.In The First Appendix We Discuss Some Further Proof Methods, The Second Appendix Is A Collection Of Particularly Beautiful Proofs, And The Third Is Some Writing Advice.
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Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
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Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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