Tag: discrete mathematics
- Prove that at least one student solved all the problems using PHP
- Number of ways to arrange objects in a circle, some of which may be identical
- Derive a homogenous linear recurrence from $x_n=2^n+F_n$
- Formula of set theory for predicates of multiple variables.
- Winning strategy at “Turning Turtles”
- False implies anything
- How to count the 1’s digits up to 999,999 using combinatorics
- Discrete mathematics – ternary strings.
- $\left\lfloor\frac{x+1}2\right\rfloor=\left\lfloor\frac{2x+1}3\right\rfloor$
- Indexing a set of objects with a symmetry or antisymmetry property