# KL0

> sequential logic programming language based on Prolog

**Wikidata**: [Q6332350](https://www.wikidata.org/wiki/Q6332350)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/KL0)  
**Source**: https://4ort.xyz/entity/kl0

## Summary
KL0 (Kernel Language 0) is a sequential logic programming language based on Prolog. It is an instance of the logic programming language class and was developed as part of the Fifth Generation Computer Systems project.

## Key Facts
- KL0 is a sequential logic programming language based on Prolog.
- KL0 is also known by the alias "Kernel Language 0".
- KL0 was developed as part of the Fifth Generation Computer Systems project.
- KL0 is classified as a logic programming language (implements the logic programming paradigm).
- The Freebase identifier for KL0 is /m/04c_c.
- KL0 has a FOLDOC entry with the identifier "KL0" and a FOLDOC reference dated 2016-06-18.
- KL0 has a Wikipedia entry titled "KL0" (English).
- Wikidata describes KL0 as a "sequential logic programming language based on Prolog".
- Sitelink count on Wikidata for KL0 is 1.

## FAQs
### Q: What is KL0?
A: KL0 (Kernel Language 0) is a sequential logic programming language derived from Prolog. It is an instance of the logic programming language class.

### Q: What is KL0 based on?
A: KL0 is based on the Prolog language. Its design follows a sequential logic programming model informed by Prolog.

### Q: What project is KL0 associated with?
A: KL0 is part of the Fifth Generation Computer Systems project.

### Q: Where can I find references for KL0?
A: KL0 has entries and identifiers in multiple reference sources, including FOLDOC (entry "KL0", referenced 2016-06-18), Freebase (/m/04c_c), and an English Wikipedia page titled "KL0".

## Why It Matters
KL0 matters because it represents a concrete implementation of the logic programming paradigm with a sequential execution model and direct lineage from Prolog. As an instance of a logic programming language, KL0 fits within the broader family of languages that express computation in terms of formal logic and inference. Its inclusion in the Fifth Generation Computer Systems project ties it to a major research effort that explored advanced computing concepts and language designs. For researchers or practitioners interested in the evolution of logic programming languages, Prolog-derived designs, or language work within large research projects, KL0 provides a documented example with explicit identifiers in reference sources (FOLDOC, Freebase, and Wikipedia). Its status as a sequential logic language distinguishes it from concurrent or non-sequential logic languages and makes it relevant when comparing execution models within the logic programming class.

## Notable For
- Being a sequential logic programming language explicitly based on Prolog.
- Serving as part of the Fifth Generation Computer Systems project.
- Having the alias "Kernel Language 0".
- Being recorded in reference sources such as FOLDOC (reference dated 2016-06-18), Freebase (/m/04c_c), and Wikipedia (English).

## Body
### Overview
- Name: KL0 (alias: Kernel Language 0).
- Description: Sequential logic programming language based on Prolog.
- Classification: Instance of the logic programming language class.

### Relationship to Prolog
- KL0 is based on Prolog.
- The "based on" relationship is documented in reference sources (FOLDOC entry).

### Project association
- KL0 is part of the Fifth Generation Computer Systems project.
- This association is listed among KL0's structured properties.

### Identifiers and references
- FOLDOC identifier: "KL0". FOLDOC reference date: 2016-06-18.
- Freebase identifier: /m/04c_c.
- Wikipedia title: "KL0" (English).
- Wikidata description: "sequential logic programming language based on Prolog".
- Wikidata sitelink count: 1.

### Classification details
- Instance of: logic programming language (implements the logic programming paradigm).
- Described as sequential in execution model.

### Source notes
- All listed facts derive from the provided structured properties and related entries (FOLDOC, Freebase, Wikipedia, and Wikidata metadata).

## References

1. [Source](http://foldoc.org/KL0)