New posts in discrete-mathematics

Find the number of integral solutions of $x_1, x_2, \dots, x_6$ satisfying the equations [closed]

Where can I find a review of discrete math

For all real numbers x, if x −⌊ x ⌋≥ 1/2 then ⌊2x ⌋= 2⌊x ⌋+ 1.

How do I formally express that a statement is true only if 3 propositions are true?

How to find whether it is possible for each vertex of a graph to have a different degree?

Giving a 1-hour talk to highschool math club: any topic suggestion?

Size of a union of two sets

(Simple) Examples on Non-Commutative Rings

Prove composition of bijections is bijection

Quantifiers, predicates, logical equivalence

Puzzle: Give an algorithm for finding a frog that jumps along the number line

Alternative proof Hall's marriage explanation

What is the probability that a five-card poker hand contains all 4 suits?

Is Cantor's diagonal argument dependent on the base used?

Proving an equality involving compositions of an integer

Is my understanding of anti-symmetry and symmetry correct?

Why aren't these two solutions equivalent? Combinatorics problem

A magic trick - find out the fifth card if four is given

Modelling a problem in Graph Theory language

A recurrence for the number of non-crossing partitions without singletons, using Dyck paths