Mar 16, 2021
4 min read
Discrete Math 1: Set Theory
Cheat Sheet
1. Definitions
// Set A contains elements 1,2 and 3
A = {1,2,3}// 2 is an element of A
2∈A// 4 is not an element of A
4∉A
2. Number Sets
Naturals N = {1,2,3,4,...}
Integers Z = {...,-2,-1,0,1,2,...}
Rationals Q = Ratio of 2 integers…
