Diagonal Ramsey number
= Diagonal Ramsey number
The diagonal Ramsey number $R(t)$ is the least $n$ such that every red-blue edge-colouring of $K_n$ contains a monochromatic $K_t$.
= Diagonal Ramsey number
The diagonal Ramsey number $R(t)$ is the least $n$ such that every red-blue edge-colouring of $K_n$ contains a monochromatic $K_t$.