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Diminished fourth: Cultures & Overview

In classical music from Western culture, a diminished fourth (Playⓘ) is an interval produced by narrowing a perfect fourth by a chromatic semitone. For example, the interval from C to F is a perfect fourth, five semitones wide, and both the intervals from C♯ to F, and from C to F♭ are diminished fourths, spanning four semitones.

Language: English [EN]
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Diminished fourth topic overview

The analysis highlights Cultures and Overview as prominent areas in the source structure around Diminished fourth.

Related topics
13
Source areas
1
Connected nodes
14
Extracted relationships
7
Related term clusters
14
Bridge connections
14

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 · 13 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.

Abbreviation
d4
Equal temperament
400
Interval class
4
Inverse
augmented fifth
Just interval
32:25, 8192:6561, 14:11
Just intonation
427, 384, 417.5

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Overview

For the semantics nerds

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Advanced semantic analysis

How Diminished fourth connects Entity context

The extracted context around Diminished fourth shows recurring relationship patterns in the source. For example, Diminished fourth → d4 Another extracted example is Diminished fourth → 400. Use these groups to spot repeated connection types before inspecting the individual relationships.

Diminished fourth

Top relations

Abbreviation · 1
Diminished fourth → d4
Equal temperament · 1
Diminished fourth → 400
Interval class · 1
Diminished fourth → 4
Inverse · 1
Diminished fourth → augmented fifth
Just interval · 1
Diminished fourth → 32:25, 8192:6561, 14:11
Just intonation · 1
Diminished fourth → 427, 384, 417.5
Semitones · 1
Diminished fourth → 4

Important terminology

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

Important terminology

diminished fourth interval third major just temperament example minor semitones equal 32 25 play perfect harmonic scale also 8192 6561

Diminished fourth relationships Subject–Predicate–Object triples

TTTA extracted 7 structured relationships around Diminished fourth. Examples in this analysis include Diminished fourth → Abbreviation → d4 and Diminished fourth → Equal temperament → 400. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Diminished fourthAbbreviationd41.00infobox
Diminished fourthEqual temperament4001.00infobox
Diminished fourthInterval class41.00infobox
Diminished fourthInverseaugmented fifth1.00infobox
Diminished fourthJust interval32:25, 8192:6561, 14:111.00infobox
Diminished fourthJust intonation427, 384, 417.51.00infobox
Diminished fourthSemitones41.00infobox

Related concept clusters Related term clusters

The concept neighborhoods around Diminished fourth bring nearby vocabulary together. In this analysis, examples include Fourth, Interval and Third. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Diminished fourth
    • Fourth
    • Interval
    • Third
    • Just
    • Major
    • Equal
    • Example
    • Minor
    • Semitones
    • Temperament
    • Also
    • Harmonic
  • interval
    • Intonation
    • Perfect
    • Play
    • Example
    • Minor
    • Semitones
    • Just
    • Third
    • Considered
    • Dissonant
    • Five
    • Four
  • diminished fourth
    • Fourth
    • Interval
    • Third
    • Just
    • Major
    • Equal
    • Example
    • Minor
    • Semitones
    • Temperament
    • Also
    • Harmonic
  • perfect fourth
    • Third
    • Five
    • Four
    • Fourths
    • Interval
    • Intervals
    • Produced
    • Semitone
    • Spanning
    • Western
    • Wide
    • Just
  • major third
    • Major
    • Third
    • Fourth
    • Diminished
    • Temperament
    • Equal
    • Example
    • Minor
    • Just
    • Interval
    • Also
    • Harmonic
  • septimal major third
    • Major
    • Third
    • Fourth
    • Diminished
    • Temperament
    • Equal
    • Example
    • Minor
    • Just
    • Interval
    • Also
    • Harmonic
  • western culture
    • Chromatic
    • Classical
    • Culture
    • Music
    • Narrowing
    • Produced
    • Semitone
    • Western
    • Perfect
    • Play
    • Interval
    • Fourth
  • classical music
    • Chromatic
    • Culture
    • Music
    • Narrowing
    • Produced
    • Semitone
    • Western
    • Perfect
    • Play
    • Interval
    • Fourth
    • Diminished

Connections between topic areas Semantic bridges

Bridges highlight paths between different parts of the Diminished fourth map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

Map overview Semantic statistics

Diminished fourth

Nodes15
Edges14
Triples7
Avg. degree1.87
Density0.133333
Components1

Source & methodology

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

Source: Wikipedia — Diminished fourth · EN edition · Analysis: TopicsToTalkAbout

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