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What is Graph Theory and the Handshaking Lemma

Why is it so HARD to learn MATH by reading the solutions?

A very TRICKY Math question (Real analysis)

Russian Maths Olympiad Pigeonhole Principle problem (adapted)

Critical thinking question!! Pigeonhole Principle on Cartesian plane

Does there exists a googolplex consecutive composite integers?

Shortest Math Riddle on Youtube

Basic proof on Primitive Pythagorean quadruples

Most counterintuitive Math question, probably

Try finding an equivalent condition if you are good in Number Theory!!

A 'forward backward' argument in Graph Theory. Degree sequence and connectedness.

An equivalent condition for connected graphs

Introduction to Graph Theory - Walks, trails and paths in a graph.

Largest intersecting family!! A starting point of Extremal Set Theory

Shortest proof on primes I've seen!!

What is the strong form of Pigeonhole Principle?

A Maths proof I wished I knew earlier!! Erdos-Szekeres Theorem using Pigeonhole Principle

One of the Hardest Math problem I tried!! How to use Pigeonhole Principle to solve this

First identity on iterated binomial coefficient that I learnt!! A combinatorial proof!!

A Number Theory problem concerning primes and partition with an elegant proof!!

Irrationality of sqrt(a)+sqrt(b). A very elegant and elementary proof!!

Common mistake with modulus function | Solve equations | O Level, A Level syllabus | Improve Maths

A bijection from (0,1) to (0,1] | Adding an element does NOT change the size of an infinite set!!

The n-th harmonic number is not an integer.

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