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1. Ampheck
2. Arctic Ocean
3. Boole, George
4. Boolean algebra
5. Boolean algebras canonically defined
6. Boolean domain
7. Boolean function
8. Boolean-valued function
9. Comprehension (logic)
10. Continuous predicate
11. Cybernetics
12. Entitative graph
13. Exclusive disjunction
14. Existential graph
15. Formal grammar
16. Formal language
17. Formal system
18. Fresh Verdicts on Joan of Arc
19. Graph (mathematics)
20. Graph theory
21. Hokusai
22. Hypostatic abstraction
23. Hypostatic object
24. Inquiry
25. Joan of Arc
26. Joan of Arc (book by Marina Warner)
27. Logic of relatives
28. Logical conjunction
29. Logical disjunction
30. Logical equality
31. Logical graph
32. Logical implication
33. Logical matrix
34. Logical NAND
35. Logical NNOR
36. Minimal negation operator
37. Multigrade operator
38. Negation
39. Parametric operator
40. Peel, Robert
41. Peirce, Charles Sanders
42. Peirce, C.S. (Bibliography)
43. Peirce's law
44. Pragmatic maxim
45. Pragmatic theory of truth
46. Pragmaticism
47. Pragmatism
48. Prescisive abstraction
49. Propositional calculus
50. Relation (mathematics)
51. Semeiotic
52. Semiotic information theory
53. Sign relation
54. Sole sufficient operator
55. Tabula rasa
56. Theory of relations
57. Triadic relation
58. Truth
59. Truth table
60. Truth theory
61. Weiss, Paul
62. Zeroth order logic

List of potential editors

• DG = David Goodman
• JA = Jon Awbrey
• JNC = Jnc
• JS = Jason Sanford
• KT = Kali Tal
• NKS = Nicholas Kaye-Smith (I'm not an expert)
• NS = Nancy Sculerati
• PB = Peter Blake
• PH = Peter Hitchmough
• RI = Ruth Ifcher
• Salsb = Fred Salsbury
• LA = Lance Allred
• BD = Bill Drew
• AK = User:Anatoliy Kostrzhytskyy
• CM = Carmen Mendez
• CD = Chris Day
• STS = Stefan Sels

Biography

Actors and entertainers

1. Woody Allen
2. Fred Astaire
3. Humphrey Bogart
4. Marlon Brando
5. Charlie Chaplin
6. Marlene Dietrich
7. Clint Eastwood
8. Madonna
9. Marilyn Monroe
10. John Wayne

Artists

1. Paul Cézanne
2. Salvador Dalí
3. Albrecht Dürer
4. Vincent van Gogh - Jnc
5. Francisco Goya
6. Hokusai - Jnc
7. Henri Matisse
8. Michelangelo
9. Claude Monet
10. Pablo Picasso - DS
11. Jackson Pollock - DS
12. Raphael
13. Rembrandt
14. Diego Velázquez
15. Andy Warhol

Authors

1. Dante Alighieri
2. William Blake
3. Miguel de Cervantes
4. Fyodor Dostoevsky
5. Brothers Grimm
6. Homer
7. Victor Hugo
8. James Joyce
9. Franz Kafka
10. Li Bai
11. Herman Melville -- BS
12. Molière
13. Pablo Neruda
14. Edgar Allan Poe -- KT,BS
15. Jean-Paul Sartre
16. William Shakespeare -- JS
17. George Bernard Shaw
18. Sophocles
19. Mark Twain -- KT,DS
20. Virgil

Composers and musicians

1. Johann Sebastian Bach - NKS
2. The Beatles
3. Ludwig van Beethoven
4. Frédéric Chopin
5. Wolfgang Amadeus Mozart
6. Elvis Presley
7. Frank Sinatra
8. Richard Wagner

Entrepreneurs

1. Andrew Carnegie
2. Henry Ford
3. Bill Gates
4. Howard Hughes
5. Steve Jobs
6. Donald Trump
7. Ted Turner
8. Sam Walton
9. George Westinghouse

Explorers

1. Roald Amundsen
2. Jacques Cartier
3. Christopher Columbus
4. Hernán Cortés
5. Francis Drake
6. Vasco da Gama
7. Edmund Hillary
8. Ferdinand Magellan
9. Marco Polo
10. Zheng He

Inventors and scientists

• (I could proofread any of these--David Goodman)

1. Alexander Graham Bell
2. Nicolaus Copernicus
3. Charles Darwin - David Goodman
4. Thomas Edison
5. Albert Einstein - Mathijs Schmittmann
6. Galileo Galilei
7. Johann Gutenberg - Jnc, David Goodman
8. Carolus Linnaeus - David Goodman
9. Alfred Nobel - Stefan Sels
10. Isaac Newton
11. Louis Pasteur - Stefan Sels
12. Nikola Tesla
13. Leonardo da Vinci
14. Wright brothers - Jnc

Logicians and mathematicians

Cat: — JA

1. Archimedes
2. Arnold, Vladimir
3. Boole, George - Jnc
4. Diophantus
5. Euclid
6. Euler, Leonhard
7. Fermat, Pierre
8. Galois, Evariste
9. Gödel
10. Hardy, G.H.
11. Hilbert, David
12. al-Khwarizmi, Muhammad ibn Musa
13. Leibniz, Gottfried
14. Peirce, Charles Sanders
15. Poincaré, Henri
16. Pythagoras
17. Quine, W.V.
18. Ramanujan, Srinivasa - Jnc
19. Russell, Bertrand
20. Schröder, Ernst

Philosophers and social scientists

Cat: — JA

1. Albertus Magnus
2. Aquinas, Thomas
3. Aristotle
4. Augustine of Hippo
5. Averroes
6. Bacon, Roger
7. Benedict of Nursia
8. Boethius
9. Carnap, Rudolf
10. Descartes, René
11. Dewey, John
12. Duns Scotus, John
13. Francis of Assisi
14. Freud, Sigmund
15. Goethe, Johann Wolfgang
16. Grosseteste, Robert
17. Herodotus
18. Hippocrates
19. Ibn Khaldun
20. James, William
21. Kant, Immanuel
22. Kierkegaard, Søren
23. Leibniz
24. Luther, Martin
25. Luxemburg, Rosa
26. Machiavelli, Niccolò
27. Maimonides, Moses
28. Marx, Karl
29. Nicholas of Cusa
30. Nietzsche, Friedrich
31. Plato
32. Rousseau, Jean-Jacques
33. Smith, Adam - BS
34. Socrates
35. Sun Tzu - Jnc
36. Thales
37. Voltaire
38. Weber, Max

Politicians and leaders

1. Akbar
2. Alexander the Great - Jnc
3. Kofi Annan
4. Attila the Hun
5. Augustus - Phil Wardle
6. Pope Benedict XVI
7. Sardar Vallabhbhai Patel
8. Otto von Bismarck
9. Tony Blair - David Boothroyd
10. Simón Bolívar
11. George W. Bush -- KT
12. Julius Caesar - Phil Wardle
13. Charlemagne
14. Winston Churchill - Jnc
15. Cleopatra VII of Egypt - Phil Wardle
16. Archduke Franz Ferdinand of Austria
17. Charles de Gaulle
18. Hammurabi - LA
19. Hannibal - Phil Wardle
20. Indira Gandhi
21. Hirohito - Jnc
22. Adolf Hitler -- KT
23. Pope John Paul II
24. Genghis Khan
25. Vladimir Lenin
26. Nelson Mandela
27. Mao Zedong
28. Benito Mussolini
29. Napoleon I of France
30. Kwame Nkrumah
31. Peter I of Russia
32. Vladimir Putin
33. Qin Shi Huang
34. Franklin D. Roosevelt -- KT,DS
35. Saladin
36. Shaka
37. Sitting Bull -- KT
38. Joseph Stalin
39. Josip Broz Tito
40. Timur
41. Leon Trotsky
42. Harry S. Truman -- KT,DS
43. Victoria of the United Kingdom
44. George Washington -- KT
45. Wilhelm II of Germany
46. B. P. Koirala of Nepal

Revolutionaries and activists

1. Mahatma Gandhi - DS
2. Che Guevara -- KT
3. Joan of Arc
4. Martin Luther King, Jr. -- KT,DS
5. Osama bin Laden
6. Mother Teresa

History

1. Civilization
2. History
3. History of the world
   1. History of Science
      1. History of Biology
4. Paradigm

Prehistory to Middle Ages

1. Ancient Egypt
2. Ancient Greece
3. Ancient Rome
4. Archaeology
5. Aztec
6. Black Death
7. Bronze Age
8. Byzantine Empire
9. Crusade
10. East-West Schism
11. Holy Roman Empire
12. Indus Valley Civilization
13. Iron Age
14. Maya civilization
15. Macedon
16. Middle Ages
17. Ottoman Empire
18. Prehistory
19. Spanish Inquisition
20. Stone Age
21. Sumer
22. Viking

Renaissance to Industrial Age

1. Age of Enlightenment
2. American Civil War -- DS
3. American Revolutionary War -- KT
4. British Empire -- DS
5. Cold War - DS
6. English Civil War
7. European colonization of the Americas
8. French Revolution
9. Great Depression -- KT
10. History of South Africa in the apartheid era
11. The Holocaust -- KT
12. Industrial Revolution -- DS
13. Napoleonic Wars
14. Protestant Reformation
15. Renaissance
16. Russian Civil War
17. Russian Revolution of 1917
18. Scientific Revolution
19. Scramble for Africa -- DS
20. Space exploration
21. Spanish Civil War -- DS
22. Vietnam War -- KT
23. World War I -- DS
24. World War II -- DS

Geography

1. Geography
2. City
3. Continent
4. Country
5. Desert
6. Ocean
7. River

Continents and regions

1. Africa
2. Antarctica
3. Asia
4. Europe
5. Latin America
6. Middle East
7. North America
8. Oceania
9. South America

Countries

1. Afghanistan
2. Austria
3. Australia
4. Bangladesh
5. Bosnia and Herzegovina
6. Brazil
7. Canada
8. Colombia
9. Cuba
10. Democratic Republic of the Congo
11. Egypt
12. Ethiopia
13. France
14. Germany
15. Greece
16. India
17. Indonesia
18. Iran
19. Iraq
20. Israel
21. Italy
22. Japan -- DS
23. Libya
24. Mexico
25. Niger
26. North Korea
27. People's Republic of China
28. Poland
29. Russia
30. Rwanda
31. Saudi Arabia
32. South Africa
33. South Korea
34. Spain
35. Thailand
36. Turkey
37. United Kingdom - Peter Hitchmough
38. United States
39. Vatican City
40. Vietnam

Cities

1. Athens
2. Beijing
3. Berlin
4. Hong Kong
5. Jerusalem
6. London - David Boothroyd
7. Mecca
8. Moscow
9. Mumbai
10. New Delhi
11. New York -- DS
12. Paris
13. Rome
14. Saint Petersburg
15. Sarajevo
16. Shanghai
17. Sydney
18. Tokyo
19. Toronto
20. Washington, D.C. -- DS

Bodies of water

1. Arctic Ocean
2. Amazon River
3. Atlantic Ocean
4. Baltic Sea
5. Black Sea
6. Caspian Sea
7. Dead Sea
8. Great Barrier Reef
9. Great Lakes
10. Indian Ocean
11. Lake Baikal
12. Lake Tanganyika
13. Lake Titicaca
14. Lake Victoria
15. Mediterranean Sea
16. Mississippi River
17. Niagara Falls
18. Nile
19. North Sea
20. Pacific Ocean
21. Southern Ocean

Mountains, valleys and deserts

1. Andes
2. Himalaya
3. Rocky Mountains
4. Sahara

Architecture

1. Architecture
2. Arch
3. Bridge
4. Canal
5. Dam
6. Dome
7. House
8. Nail (engineering)
9. Pyramid
10. Tower

Buildings

1. Aswan Dam
2. Buckingham Palace
3. Colosseum Phil Wardle
4. Eiffel Tower
5. Empire State Building -- DS
6. Great Pyramid of Giza
7. Great Wall of China
8. Parthenon
9. Sears Tower
10. Stonehenge
11. Taj Mahal

Society and social sciences

• David91 can copyedit in most of these topics

1. Society
2. Family
   1. Adult
   2. Child
   3. Infant
   4. Marriage
3. Law - David91
   1. The relationships between states and each state's legal systems
   2. Constitutional, legislative and tax systems
   3. Dispute resolution systems
   4. Crime
   5. Family and other social relationships
   6. Economic, trade and business framework and regulation
   7. Contracts and other commercial relationships
   8. Compensatory systems for loss suffered
   9. Intellectual property David Goodman
4. Military
5. Social sciences
   1. Anthropology
   2. Archaeology
   3. Criminology - David91
   4. Economics
   5. Education
      1. Publishing David Goodman
      2. Scholarly communication David Goodman
      3. Libraries David Goodman
   6. Political science
   7. Psychology — JA
   8. Sociology

Psychology

Category. This section will be expanded. — JA

1. Emotion
   1. Anger
   2. Fear
   3. Love
   4. Happiness
2. Mind
   1. Consciousness
   2. Thought
3. Sleep
   1. Dream

Politics

1. Politics
2. Anarchism
3. Capitalism
4. Communism
5. Democracy
6. Dictatorship
7. Diplomacy
8. Fascism
9. Globalization
10. Government
11. Imperialism
12. Liberalism
13. Monarchy
14. Nationalism
15. Social movement
16. Socialism
17. State
18. Theocracy

International organizations

1. Arab League
2. European Union
3. International Red Cross and Red Crescent Movement
4. NATO
5. Nobel Prize
6. Organization of the Petroleum Exporting Countries
7. United Nations - David91, DS
   1. World Bank Group
   2. World Health Organization
   3. World Trade Organization

Business and economics

1. Agriculture
2. Business - David91
3. Currency
   1. Euro
   2. Japanese yen
   3. Pound sterling
   4. Renminbi
   5. Rupee
   6. United States dollar
4. Market
5. Money
6. Supply and demand

Social issues

1. Abortion
2. Birth control
3. Capital punishment
4. Development (as in Sustainable development & International development)
5. Freedom
6. Human rights
7. Peace
8. Racism -- KT, -- DS
9. Sexism -- KT
10. Slavery -- KT, -- DS
11. War
12. Gender Identity
13. Heterosexuality
14. Homosexuality

David 91 - the legal aspects of all these topics

Culture

1. Culture Rovi Rovi 06:25, 18 October 2006 (PDT)
2. Art
   1. Comics
   2. Painting -- DS
   3. Sculpture
3. Dance
4. Film
5. Radio -- DS
6. Television-- DS
7. Theatre
8. Cultural Policy Rovi Rovi 06:25, 18 October 2006 (PDT)

Language

1. Language
2. Semiotics — JA
3. Alphabet
   1. Letter (alphabet)
4. Book
5. Grammar
6. Specific languages
   1. Arabic language
   2. Chinese language
   3. English language
   4. Esperanto
   5. French language
   6. German language
   7. Hindi
   8. Japanese language
   9. Latin
   10. Portuguese language
   11. Russian language
   12. Sanskrit
   13. Spanish language
   14. Punjabi language
7. Word
8. Writing

Literature

1. Literature
2. English literature -- CM
3. African American literature -- BS
4. American literature -- KT -- CM
5. Republic (Plato)
6. Novel
   1. The Book of One Thousand and One Nights
   2. Don Quixote
   3. Republic (Plato)
7. Poetry
   1. Epic of Gilgamesh
   2. Iliad
   3. Mahabharata
   4. Odyssey -- JS

Music

1. Music
2. Baroque music
3. European classical music
4. Folk music - Larry Sanger (I'll watch it anyway)
5. Jazz -- KT
6. Pop music
7. Rhythm and blues -- KT
8. Rock and roll

Recreation

1. Recreation
2. Athletics (track and field)
3. Game - Peter Blake can proofread
   1. Backgammon
   2. Bridge - fading expertise David91
   3. Chess
   4. Dice
   5. Draughts
   6. Go (board game)
   7. Mancala
4. Gambling
5. Sport
   1. American football
   2. Baseball -- DS
   3. Basketball
   4. Boxing
   5. Cricket
   6. Football (soccer)
   7. Olympic Games
   8. Rugby football
   9. Tennis
6. Toy
   1. dollhouse

Religion

1. Religion
2. Deity
   1. God — AK
   2. Goddess
3. Mythology — JA
4. Mysticism
5. Religious philosophies
   1. Agnosticism
   2. Atheism
   3. Fundamentalism
   4. Panentheism
   5. Pantheism
   6. Transcendentalism
6. Soul — AK
7. Specific religions
   1. Bahá'í Faith
      1. Báb
      2. Bahá'u'lláh
   2. Buddhism
      1. Gautama Buddha
      2. Mahayana
      3. Theravada
      4. Vajrayana
   3. Christianity - Peter Blake can proofread
      1. Bible
      2. Catholicism
      3. Church
      4. Eastern Orthodox Church
      5. Jesus
      6. Protestantism
      7. Pope
      8. Trinity
   4. Confucianism
      1. Confucius
   5. Hinduism
      1. Bhagavad Gita
      2. Krishna
      3. Upanishad
      4. Veda
   6. Islam
      1. Mosque
      2. Muhammad
      3. Shi'a Islam
      4. Sunni Islam
      5. Qur'an
   7. Jainism
   8. Judaism
   9. Shinto
   10. Sikhism
       1. Guru Nanak Dev
       2. Guru Gobind Singh
       3. Guru Granth Sahib
   11. Taoism
       1. Laozi
   12. Voodoo
   13. Zoroastrianism
       1. Zoroaster
8. Spiritual practice — AK
   1. Meditation — AK
   2. Prayer
   3. Yoga — AK
9. Spirituality — AK

Philosophy

Category. — JA, Larry Sanger

1. Philosophy
2. Descriptive philosophy
   1. Empiricism
   2. Rationalism
   3. Pragmatism
3. Normative philosophy
   1. Aesthetics and Beauty
   2. Ethics and Morality
   3. Logic and Truth
4. Existentialism
5. Feminism -- KT
6. Humanism
7. Inquiry
8. Metaphysics
   1. Ontology and Existence
   2. Epistemology and Knowledge
   3. Theology
9. Reality
10. Virtue and Arete

Foodstuffs

1. Food
2. Barley
3. Bread
4. Cheese
5. Cotton
6. Fruit
7. Maize
8. Oat
9. Rice
10. Sorghum
11. Soybean
12. Tobacco
13. Vegetable
14. Wheat

Beverages

1. Alcohol
2. Beer
3. Coffee
4. Tea
5. Water
6. Wine

Science

1. Science
2. Scientific method — JA
3. Chemistry (can proof read anywhere in this group) David Goodman Salsb
   1. Salt
4. Geology
5. Mineral
   1. Copper
   2. Diamond
   3. Gold
   4. Iron
   5. Silver
6. Oil

Astronomy

1. Astronomy
2. Big Bang
3. Universe
4. Galaxy
   1. Milky Way
5. Star
6. Planet
7. Solar system
   1. Sun
   2. Mercury (planet)
   3. Venus
   4. Earth
      1. Moon
   5. Mars
   6. Jupiter
   7. Saturn
   8. Uranus
   9. Neptune
   10. Pluto

Physics

• Much of Cat: Salsb

1. Physics - Peter Blake can proofread
2. Atom
   1. Molecule
3. Energy
   1. Electromagnetic radiation
      1. Visible spectrum
         1. Black
         2. Color
            1. Blue
            2. Green
            3. Red
            4. Yellow
         3. White
4. Force
   1. Gravitation
5. Mass
6. Quantum mechanics
7. Sound
8. Speed
9. Time
10. Weight

Weather and climate

1. Avalanche
2. Climate
3. Cloud
4. Earthquake
5. El Niño-Southern Oscillation
6. Flood
7. Global warming
8. Lightning
9. Meteorology
10. Rain
11. Thunder
12. Tornado
13. Tropical cyclone
14. Volcano
15. Weather

Biology and Medicine

Anatomy

1. Circulatory system
   1. Blood
   2. Heart
2. Endocrine system
3. Gastrointestinal tract
   1. Large intestine
   2. Small intestine
   3. Liver
4. Integumentary system
   1. Breast
   2. Skin
5. Nervous system
   1. Brain
6. Sensory system
   1. Auditory system
      1. Ear
   2. Gustatory system
   3. Olfactory system
      1. Nose
   4. Somatosensory system
   5. Visual system
      1. Eye
7. Reproductive system
   1. Penis
   2. Vagina
8. Respiratory system
   1. Lung
9. Skeleton

Biochemistry

1. Macromolecules
   1. Nucleic acid
      1. DNA
      2. RNA
   2. Protein
      1. Enzyme
      2. Amino acid
      3. Peptide
   3. Carbohydrate
   4. Lipid
2. Metabolism
   1. Glycolysis
   2. Krebs cycle
   3. Photosynthesis

Botany

1. Fungus
2. Plant
   1. Angiosperm
      1. Eudicotyledon
         1. Arabidopsis thaliana
         2. Tobacco
         3. Oak
      2. Monocotyledon
         1. Maize
         2. Rice
         3. Barley
   2. Bryophyte
      1. Liverwort
      2. Moss
   3. Fern
   4. Gymnosperm
3. Plant anatomy
   1. Leaf
   2. Flower
      1. Petal
   3. Root
4. Plant behavior
   1. Phototropism
   2. Gravitropism

Cell biology

1. Cell division
2. Cell nucleus
3. Cell wall
4. Cell membrane
5. Cytoplasm
6. Cytoskeleton
7. Flagellum
8. Organelles
   1. Chloroplast
   2. Mitochondrion
   3. Endoplasmic reticulum
   4. Golgi apparatus
   5. Vacuole
9. Ribosome

Developmental biology

1. Cellular differentiation
2. Stem Cells
3. Cancer

Ecology

1. Endangered species
2. Species

Evolutionary biology

1. Evidence of evolution
2. Processes of evolution:
   1. adaptation
   2. macroevolution
   3. microevolution
   4. speciation

Genetics

1. Classical genetics
   1. Mendelian inheritance
   2. mutation
2. Clinical genetics
   1. Genetic counseling
3. Ecological genetics
4. Molecular genetics
5. Population genetics
   1. selection
   2. genetic drift
   3. gene flow
6. Quantitative genetics

Medicine

1. Dermatology
2. Pediatrics
3. Neurology
   1. concussion
4. Surgery
   1. Plastic Surgery
      1. Reconstructive Surgery
      2. Cosmetic Surgery
         1. Blepheroplasty (Eyelift)
         2. Facelift
         3. Cheek Implants
         4. Chin Implants
         5. Mandibular Advancement
         6. Breast Reconstruction
   2. Neurosurgery
   3. Trauma surgery
      1. skull fracture
5. Infectious Disease
   1. Diseases caused by Viral Infections
      1. AIDS
      2. SARS
      3. Chicken Pox & Shingles (Varicella)
6. Rehabilitation Medicine (Physiatry)
7. Psychiatry
   1. Forensic Psychiatry

Microbiology

1. Archaea
2. Bacteria

Molecular biology

1. Polymerase chain reaction
2. Gel electrophoresis
3. Southern blot
4. Northern blot
5. Restriction enzyme
6. Western blot

Physiology

1. Digestion
2. Excretion
3. Biological reproduction
   1. Pregnancy
   2. Asexual reproduction
   3. Sexual reproduction
4. Respiration (physiology)

Taxonomy

1. Cladistics
2. Systematics
3. Tree of life

Virology

1. Bacteriophage
2. DNA virus
3. RNA virus

Zoology

1. Protist
2. Animal
   1. Arthropod
      1. Insect
         1. Ant
         2. Bee
         3. Butterfly
      2. Arachnid
   2. Chordate
      1. Amphibian
         1. Frog
      2. Fish
         1. Shark
      3. Mammal
         1. Ape
            1. Human
         2. Bat
         3. Bear
         4. Camel
         5. Cat
         6. Cattle
         7. The Dog Family
            1. Wolves
            2. Grey Wolf
         8. Dolphin
         9. Elephant
            1. Mammoth
         10. Horse
         11. Sheep
         12. Lion
         13. Pig
         14. Whale
      4. Reptile
         1. Dinosaur
            1. Bird
               1. Dove
               2. Eagle
               3. Duck
               4. Chicken
               5. Turkey
               6. Ostrich
               7. Penguin
               8. Owl
         2. Snake

Technology

1. Technology
2. History of technology -- DS
3. Engineering
4. Computer Science
   1. Artificial intelligence — JA
5. Biotechnology
6. Genetic Engineering
7. Nanotechnology
8. Nuclear technology
9. Tool

Energy

1. Electricity
2. Geothermal power
3. Hydropower
4. Nuclear power
5. Solar power
6. Wind power

Electronics

1. Electronics
2. Battery
3. Capacitor
4. Diode
5. Incandescent light bulb
6. Integrated circuit
7. Resistor
8. Semiconductor
9. Transistor

Mechanical engineering

1. Mechanical engineering
2. Engine
   1. Electric motor
   2. Internal combustion engine
   3. Jet engine
   4. Steam engine -Phil Wardle
3. Inclined plane
4. Lever
5. Pulley
6. Robot
7. Wheel

Systems Sciences

Cat: — JA

1. Systems sciences
2. Control system
3. Cybernetics
4. Dynamical system
5. Operations research
6. Systems analysis
7. Systems engineering

Transportation

1. Transport
2. Vehicle
3. Aircraft
4. Automobile
5. Bicycle
6. Elevator
7. Helicopter -Phil Wardle
8. Fixed-wing aircraft
9. Motorcycle
10. Rapid transit
11. Stirrup
12. Train

Information technology

1. Information technology - Peter Hitchmough
2. Abacus
3. Calculator
4. Computer
5. Cryptology - Jnc
   1. Cryptography - Jnc
6. Writing

Optical

1. Camera
2. Glasses
3. Laser
4. Lens
5. Microscope
6. Prism
7. Telescope Phil Wardle

Media and communication

1. Telecommunication
2. E-mail - Jnc
3. Internet - Jnc
4. Microphone
5. Mobile phone
6. Photography
7. Printing press
8. Printing
9. Radio
10. Telephone
11. Television
12. Typewriter
13. Video
14. World Wide Web

Navigation and timekeeping

1. Clock
2. Compass - JWendebaum
3. Global Positioning System - JWendebaum, suggested to change into Global Navigation Satellite System
4. Gyroscope
5. Pendulum
6. Radar
7. Sonar
8. Sundial

Weapons

1. Weapon
2. Artillery
3. Axe
4. Bow
5. Firearm
6. Pistol
7. Knife
8. Machine gun
9. Nuclear weapon
10. Rifle
11. Spear
12. Submarine
13. Tank

Material and chemical

1. Fire
2. Explosive material
   1. Dynamite
   2. Gasoline
   3. Gunpowder
   4. Kerosene
3. Metallurgy
4. Plastic
5. Rubber

Food and health

1. Electrocardiogram
2. Magnetic resonance imaging
3. Pasteurization
4. Refrigerator
5. Stove
6. X-ray

Space

1. Hubble Space Telescope-- DS
2. International Space Station
3. Rocket
4. Satellite
5. Space exploration
6. Space Shuttle
7. Space station

Logic

• Category. — JA
• Advisory. Will be working on factoring Logic out as a separate category that can be viewed in both Mathematical and Philosophical lights.

• Ampheck
• Boolean algebra
• Boolean domain
• Boolean function
• Boolean logic
• Boolean-valued function
• Conceptual graph
• Entitative graph
• Existential graph
• First order logic
• Higher order logic
• Laws of Form
• Logical graph
• Logical matrix
• Mathematical logic
• Minimal negation operator
• Model theory
• Peirce's law
• Proof theory
• Propositional calculus
• Truth table
• Zeroth order logic

Mathematics

Cat: — Peter Blake, Ruth Ifcher, JA

1. Mathematics
   1. Constant
      1. Pi
   2. Differential equation
   3. Digit
   4. Equation
   5. Exponentiation
   6. Function — JA
   7. Infinity
   8. Limit
   9. Logarithm
   10. Number
       1. Complex number
       2. Integer
       3. Natural number
       4. Rational number
       5. Real number
   11. Series
   12. Square root
   13. Variable
2. Algebra — JA
   1. Group (mathematics)
   2. Ring (mathematics)
   3. Field (mathematics)
   4. Module (mathematics)
3. Automata, computation, formal languages — JA
   1. Automata theory
   2. Computability
   3. Formal grammar
   4. Formal language
4. Analysis
5. Arithmetic
   1. Addition
   2. Division
   3. Fraction
   4. Multiplication
   5. Percentage
   6. Subtraction
6. Calculus
   1. Derivative
   2. Integral
7. Category theory — JA
8. Chaos theory
   1. Fractal
9. Combinatorics — JA
10. Cryptography - Duplicate to above under Technology:Information?
11. Game theory
12. Geometry — JA
    1. Line
    2. Plane
    3. Angle
    4. Coordinates
13. Graph theory — JA
14. Information theory — JA
15. Linear algebra — JA
    1. Matrix
    2. Vector space
    3. Vector (spatial)
16. Number theory — JA
    1. Prime number
17. Probability theory — JA
    1. Statistics
18. Relation — JA
19. Set theory — JA
    1. Set
20. Topology — JA
21. Trigonometry
    1. Trigonometric function

Measurement

1. Measurement - Peter Blake can proofread
2. Metric system
3. International System of Units
4. Imperial unit
5. Time - Another duplicate, to the one above under Physics?
   1. Clock
   2. Calendar
   3. Second
   4. Day
   5. Week
   6. Month
   7. Year
6. Length
   1. Metre
   2. Foot
7. Distance
   1. Kilometre
   2. Mile
8. Area
9. Volume
   1. Gallon
   2. Litre
10. Mass
    1. Weight
    2. Kilogram
    3. Ton
    4. Pound
11. Density
12. Temperature
    1. Celsius
    2. Fahrenheit
    3. Kelvin
13. Speed
    1. Acceleration
    2. Velocity
14. Force
    1. Newton
15. Power
    1. Watt
16. Electromagnetism
    1. Ampere
    2. Volt