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Ptolemy: Works & Science

Claudius Ptolemy (/ˈtɒləmi/; Ancient Greek: Πτολεμαῖος, Ptolemaios; Latin: Claudius Ptolemaeus; c. 100 – 160s/170s AD), better known mononymously as Ptolemy, was a Greco-Roman mathematician, astronomer, astrologer, geographer, and music theorist who wrote about a dozen scientific treatises, three of which were important to later Byzantine, Islamic, and…

Language: English [EN]
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Ptolemy topic overview

The analysis highlights Works and Science as prominent areas in the source structure around Ptolemy.

Related topics
183
Source areas
6
Connected nodes
191
Extracted relationships
215
Concept neighborhoods
42
Bridge connections
191

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.

Other writings · 60 topics
Biography · 39 topics
Overview · 33 topics
Astronomical writings · 27 topics
Named after Ptolemy · 16 topics
Philosophy · 8 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.

Known for
Ptolemaic universe · Ptolemy's world map · Ptolemy's intense diatonic scale · Ptolemy's table of chords · Ptolemy's inequality
Born
c. AD 100 Unknown
Citizenship
possibly Roman
Died
160s/170s Alexandria, Egypt, Roman Empire
Fields
Astronomy · geography · astrology · optics

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

Biography

Astronomical writings

Other writings

Philosophy

Named after Ptolemy

Bibliography

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 Ptolemy connects Entity context

The extracted context around Ptolemy shows recurring relationship patterns in the source. For example, Ptolemy → Alexander, Alexander's, Almost, BC, Claudia, Claudius, Claudius Ptolemaeus, Egypt, English, Gerald Toomer, Great, Greek, Homeric, It, Latin, Latinised, Macedonian, Nero, Ptolemaeus, Ptolemaic Kingdom Another extracted example is Ptolemy → Almagest, Apotelesmatiká, Arabic, As, Bible, Effects, Four Books, Greek, It, Its, Latin, Much, Outcomes, Plato, Prognostics, Ptolemy's, Quadripartitum, Spain, Tetrabiblos, Thus. Use these groups to spot repeated connection types before inspecting the individual relationships.

Ptolemy

Top relations

related to Naming and nationality · 27
Ptolemy → Alexander, Alexander's, Almost, BC, Claudia, Claudius, Claudius Ptolemaeus, Egypt, English, Gerald Toomer, Great, Greek, Homeric, It, Latin, Latinised, Macedonian, Nero, Ptolemaeus, Ptolemaic Kingdom
related to Tetrabiblos · 22
Ptolemy → Almagest, Apotelesmatiká, Arabic, As, Bible, Effects, Four Books, Greek, It, Its, Latin, Much, Outcomes, Plato, Prognostics, Ptolemy's, Quadripartitum, Spain, Tetrabiblos, Thus
related to Geography · 21
Ptolemy → About, Although, BC, Drawing, Earth, Eratosthenes, Geographike Hyphegesis, Geography, Greek, Guide, He, Hipparchus, Latitude, Marinus, One, Persian Empire, Ptolemy's, Roman, Silk Road, The
related to Optics · 20
Ptolemy → Arabic, Book, Book II, Books III-IV, Eugenius, Haytham, He, However, Ibn, In, Koine Greek, Latin, Mark Smith, Moon, Optics, Palermo, Ptolemy's, Sun, The, The Optica
related to Biography · 19
Ptolemy → Alexandria, Babylonian, Claudius, Egypt, El Mansha, Greek, He, In, It, Latin, Ptolemais Hermiou, Ptolemy's, Roman, Sohag Governorate, Syrus, The, Thebaid, Theodore Meliteniotes, This
related to Handy Tables · 16
Ptolemy → Additionally, Alexandria's, Although Ptolemy's Handy Tables, Arabic, Arrangement, Calculation, Greek, Handy Tables, Latin, Moon, Ptolemy's, Sun, The, The Handy Tables, Theon, To
related to Named after Ptolemy · 16
Ptolemy → Berkeley, California, John's College, MarsThe, MoonThe, Project, Ptolemaeus, PtolemaeusMessier, Ptolemy Cluster, Ptolemy's, ScorpiusThe Ptolemy, Slocum, St, The, There, University
related to Philosophy · 15
Ptolemy → Alexandria, Although, Aristotelian, Criterion, Despite, Elsewhere, Greek, He, Hegemonikon, Hero, Like Aristotle, On, Platonic, Ptolemy's, This
related to Mathēmatikē Syntaxis · 10
Ptolemy → Although Babylonian, Ancient Greek, Greek, Hipparchus, Mathematical Systematic Treatise, Mathēmatikē Syntaxis, Moon, Ptolemy's Almagest, Sun, The
Known for · 9
Ptolemy → Equant, Evection, Ptolemaic universe, Ptolemy's inequality, Ptolemy's intense diatonic scale, Ptolemy's table of chords, Ptolemy's theorem, Ptolemy's world map, Quadrant

Important terminology

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

Important terminology

greek ptolemy's latin known almagest claudius also work astronomical one geography arabic ancient ptolemaios roman tetrabiblos planets used astronomy scientific

Ptolemy relationships Subject–Predicate–Object triples

TTTA extracted 215 structured relationships around Ptolemy. Examples in this analysis include Ptolemy → Born → c. AD 100 Unknown and Ptolemy → Citizenship → possibly Roman. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
PtolemyBornc. AD 100 Unknown1.00infobox
PtolemyCitizenshippossibly Roman1.00infobox
PtolemyDied160s/170s Alexandria, Egypt, Roman Empire1.00infobox
PtolemyFieldsAstronomy1.00infobox
PtolemyFieldsgeography1.00infobox
PtolemyFieldsastrology1.00infobox
PtolemyFieldsoptics1.00infobox
PtolemyKnown forPtolemaic universe1.00infobox
PtolemyKnown forPtolemy's world map1.00infobox
PtolemyKnown forPtolemy's intense diatonic scale1.00infobox
PtolemyKnown forPtolemy's table of chords1.00infobox
PtolemyKnown forPtolemy's inequality1.00infobox
PtolemyKnown forPtolemy's theorem1.00infobox
PtolemyKnown forEquant1.00infobox
PtolemyKnown forEvection1.00infobox
PtolemyKnown forQuadrant1.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Ptolemy bring nearby vocabulary together. In this analysis, examples include Astronomical, One and Used. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Ptolemy
    • Astronomical
    • One
    • Used
    • Also
    • Planets
    • Tables
    • Tetrabiblos
    • Roman
    • Astrology
    • Many
    • Works
    • Wrote
  • ptolemy
    • Astronomical
    • One
    • Used
    • Also
    • Planets
    • Tables
    • Tetrabiblos
    • Roman
    • Astrology
    • Many
    • Works
    • Wrote
  • ancient greek
    • Latin
    • Wrote
    • Work
    • Known
    • Name
    • Ptolemy's
    • Arabic
    • Greek
    • Used
    • Astronomical
    • Almagest
    • Ptolemy
  • almagest
    • Treatise
    • Astronomy
    • Also
    • Astronomer
    • Hipparchus
    • Wrote
    • Ptolemy's
    • First
    • Book
    • Greek
    • Work
    • Known
  • koine greek
    • Latin
    • Wrote
    • Work
    • Known
    • Name
    • Ptolemy's
    • Arabic
    • Used
    • Astronomical
    • Almagest
    • Ptolemy
    • Astronomer
  • greek mathematicians
    • Latin
    • Wrote
    • Work
    • Known
    • Name
    • Ptolemy's
    • Arabic
    • Used
    • Astronomical
    • Almagest
    • Ptolemy
    • Astronomer
  • babylonian astronomical data
    • Tables
    • Works
    • Planets
    • Ptolemy
    • Although
    • Tetrabiblos
    • Geography
    • Used
    • Greek
    • Also
    • Known
    • Hipparchus
  • ancient greek personal name
    • Latin
    • Wrote
    • Work
    • Known
    • Arabic
    • Roman
    • Name
    • Ptolemy's
    • Greek
    • Used
    • Astronomical
    • Almagest

Connections between topic areas Semantic bridges

For Ptolemy, one of the stronger structural bridges in this analysis connects Ptolemy with Other writings. 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
PtolemyOther writings · splits 131 ⟂ 61
PtolemyBiography · splits 152 ⟂ 40
PtolemyOverview · splits 158 ⟂ 34
PtolemyAstronomical writings · splits 164 ⟂ 28
PtolemyNamed after Ptolemy · splits 175 ⟂ 17
PtolemyPhilosophy · splits 183 ⟂ 9

Map overview Semantic statistics

Ptolemy

Nodes192
Edges191
Triples215
Avg. degree1.99
Density0.010417
Components1

Source & methodology

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

Source: Wikipedia — Ptolemy · EN edition · Analysis: TopicsToTalkAbout

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