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Agda (programming language): Technology, Features & Overview

Agda is a dependently typed functional programming language originally developed by Ulf Norell at Chalmers University of Technology with implementation described in his PhD thesis. The original Agda system was developed at Chalmers by Catarina Coquand in 1999. The current version, originally named Agda 2, is a full rewrite, which should be considered a…

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Agda (programming language) topic overview

The analysis highlights Technology, Features and Overview as prominent areas in the source structure around Agda (programming language).

Related topics
37
Source areas
2
Connected nodes
39
Extracted relationships
22
Concept neighborhoods
20
Bridge connections
39

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 23 topics
Features · 14 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Designed by
Ulf Norell; Catarina Coquand (1.0)
Developer
Chalmers University of Technology
Filename extensions
.agda, .lagda, .lagda.md, .lagda.rst, .lagda.tex
First appeared
1.0 – 1999; 27 years ago (1999) 2.0 – 2007; 19 years ago (2007)
Implementation language
Haskell
License
BSD-like

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Features

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Agda (programming language) connects Entity context

The extracted context around Agda (programming language) shows recurring relationship patterns in the source. For example, Agda (programming language) → Ulf Norell; Catarina Coquand (1.0) Another extracted example is Agda (programming language) → Chalmers University of Technology. Use these groups to spot repeated connection types before inspecting the individual relationships.

Agda (programming language)

Top relations

Designed by · 1
Agda (programming language) → Ulf Norell; Catarina Coquand (1.0)
Developer · 1
Agda (programming language) → Chalmers University of Technology
Filename extensions · 1
Agda (programming language) → .agda, .lagda, .lagda.md, .lagda.rst, .lagda.tex
First appeared · 1
Agda (programming language) → 1.0 – 1999; 27 years ago (1999) 2.0 – 2007; 19 years ago (2007)
Implementation language · 1
Agda (programming language) → Haskell
License · 1
Agda (programming language) → BSD-like
OS · 1
Agda (programming language) → Cross-platform
Paradigm · 1
Agda (programming language) → Total functional
Stable release · 1
Agda (programming language) → 2.8.0 / July 5, 2025; 13 months ago (2025-07-05)
Typing discipline · 1
Agda (programming language) → Strong, static, dependent, nominal, manifest, inferred

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

agda language programming proof types rocq functional type typed pattern dependently matching emacs one program similar originally named dependent also

Agda (programming language) relationships Subject–Predicate–Object triples

TTTA extracted 22 structured relationships around Agda (programming language). Examples in this analysis include Agda (programming language) → Designed by → Ulf Norell; Catarina Coquand (1.0) and Agda (programming language) → Developer → Chalmers University of Technology. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Agda (programming language)Designed byUlf Norell; Catarina Coquand (1.0)1.00infobox
Agda (programming language)DeveloperChalmers University of Technology1.00infobox
Agda (programming language)Filename extensions.agda, .lagda, .lagda.md, .lagda.rst, .lagda.tex1.00infobox
Agda (programming language)First appeared1.0 – 1999; 27 years ago (1999) 2.0 – 2007; 19 years ago (2007)1.00infobox
Agda (programming language)Implementation languageHaskell1.00infobox
Agda (programming language)LicenseBSD-like1.00infobox
Agda (programming language)OSCross-platform1.00infobox
Agda (programming language)ParadigmTotal functional1.00infobox
Agda (programming language)Stable release2.8.0 / July 5, 2025; 13 months ago (2025-07-05)1.00infobox
Agda (programming language)Typing disciplineStrong, static, dependent, nominal, manifest, inferred1.00infobox
Agda (programming language)Websitewiki.portal.chalmers.se/agda1.00infobox
data typesinstance ofThe language has ordinary programming constructs0.80text

Related concept clusters Concept neighborhoods

The concept neighborhoods around Agda (programming language) bring nearby vocabulary together. In this analysis, examples include Language, Programming and Typed. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Agda (programming language)
    • Language
    • Programming
    • Typed
    • Dependently
    • Functional
    • Data
    • Proofs
    • Types
    • Theory
    • Dependent
    • Norell
    • Ulf
  • agda (programming language)
    • Language
    • Programming
    • Norell
    • Ulf
    • Typed
    • Matching
    • Possible
    • Pattern
    • Types
    • Dependently
    • Functional
    • Data
  • programming language
    • Norell
    • Ulf
    • Language
    • Programming
    • Matching
    • Possible
    • Typed
    • Pattern
    • Types
    • Data
    • Proofs
    • Tactics
  • total functional programming
    • Language
    • Norell
    • Ulf
    • Also
    • Dependent
    • Programming
    • Proof
    • Rocq
    • Typed
    • Types
    • Data
    • Proofs
  • dependently typed
    • Typed
    • Norell
    • Ulf
    • Matching
    • Pattern
    • Chalmers
    • Functional
    • Inductive
    • Language
    • Types
    • Programming
    • Also
  • functional
    • Language
    • Norell
    • Ulf
    • Also
    • Dependent
    • Programming
    • Proof
    • Rocq
    • Typed
    • Types
    • Coquand
    • Library
  • inductive types
    • Types
    • Way
    • Typed
    • Ulf
    • Library
    • Name
    • Proofs
    • Norell
    • Theory
    • Used
    • Matching
    • Natural
  • reflective programming
    • Language
    • Typed
    • Types
    • Data
    • Proofs
    • Tactics
    • Norell
    • Theory
    • Ulf
    • Type
    • Also
    • Originally

Connections between topic areas Semantic bridges

For Agda (programming language), one of the stronger structural bridges in this analysis connects Agda (programming language) with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Agda (programming language) — Overview · splits 16 ⟂ 24
Agda (programming language) — Features · splits 25 ⟂ 15

Map overview Semantic statistics

Agda (programming language)

Nodes40
Edges39
Triples22
Avg. degree1.95
Density0.05
Components1

Source & methodology

TTTA analyzes the structure around Agda (programming language) to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Technology, Features & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Agda (programming language) · EN edition · Analysis: TopicsToTalkAbout

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