## Recent Posts

### What is a Closed Walk in a Directed Graph?

To understand what a closed walk is, we need to understand walks and edges.

### N Divides M Meaning

Meaning of N divides M and how to test if a number divides another number

### Discrete Math Rules—For Your Reference

Below you will find the laws of propositional logic, the rules of inference, and the quantified statements rules…

### Logical Equivalence in Propositional Logic

We need to understand the concept of logical equivalence to better understand the laws or propositional logic.

### Predicate vs Proposition in Logical Mathematics

A predicate is a statement that has variables, such as x + 5 = 12. A proposition does…

### Universal and Existential Quantifiers

We've seen in Predicate vs Proposition that replacing a function's variables with actual values changes a predicate into…

### Laws of Propositional Logic

The laws of propositional logic help us find logical equivalence between propositions.

### Conditional Statements in Logic

The conditional operation is denoted by the arrow symbol →.Q → E reads as "if Q then E.

### Propositions and Logical Operations

In logic, a proposition is a statement that evaluates true or false, such as "all cars are blue"…