---
title: "What is FOPL stands for and explain its role in Artificial Intelligence?"  
description: "What is FOPL stands for and explain its role in Artificial Intelligence?"  
author: "Sophia Morrow"  
published: 2017-11-25  
canonical: https://answers.mindstick.com/qa/31213/what-is-fopl-stands-for-and-explain-its-role-in-artificial-intelligence  
category: "technology"  
tags: ["artificial intelligence"]  
reading_time: 2 minutes  

---

# What is FOPL stands for and explain its role in Artificial Intelligence?

What is FOPL stands for and [explain](https://www.mindstick.com/forum/156785/what-is-naming-convention-in-sql-server-explain-how-to-use-naming-convention-in-sql-server) its [role](https://www.mindstick.com/forum/2317/how-to-create-role-and-enable-role-in-mvc) in Artificial Intelligence?

## Answers

### Answer by Saddiya  Anwar

In the subject of Propositional logic, it is acknowledged that how statements are represented using **Propositional logic**. Here statements are limited to only factual representation.

![What is FOPL stands for and explain its role in Artificial Intelligence?](https://answers.mindstick.com/questionanswer/5fbd74b9-6f16-47e7-965c-58aeb3cc5325/images/acc6d389-f376-42f8-950b-bf0d935543c8.jpeg)\

PL fails in representation of complex [**statements**](https://answers.mindstick.com/qa/93367/can-we-edit-our-answer-after-posting-at-q-a-section) or natural language. As the logic got the limited expressive power. Therefore, additional logic is needed to back up the power of PL such as **First Order Logic**.

## Know the specifications of FOL in the following points:

- **First-Order Logic** is the knowledge representation used in artificial intelligence. It extends the power of Propositional logic.
- It represents the natural language statements more precisely.
- It is also known as Predicate logic or First-order predicate logic. It is considered to be a powerful language system that develops information more easily and expressively.
- Unlike Propositional logic, it works on the assumption that the world is without facts but there are certain assumptions which it follows like:
- Objects: A, B, theories, practicals, colours, numbers, things, etc.
- Relations: It can be unary relation such as: red, round, is adjacent, or n-any relation such as the sister of, brother of, has colour, comes between
- Function: Father of, best friend, third inning of, end of, ......

Being a natural language it consists of two parts:\

## Syntax and semantics

## Given below are the basic elements of FOL

Constant : 1, 2, A, John, Mumbai, cat,...

Variables : x, y, z, a, b,...

Predicates : Brother, Father, >,...

Function : sqrt, LeftLegOf, ....

Connectives : ∧, ∨, ¬, ⇒, ⇔

Equality : ==

Quantifier : ∀, ∃

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