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Ogden's Basic English — 850 Word Foundation

Overview

C.K. Ogden's Basic English (1930) reduces the English language to 850 essential words sufficient for international communication. In RTSG, this word set serves as the linguistic kernel — the minimal basis for the Linguistic dimension (\(d_L\)) of the K-Matrix.

These 850 words form a complete basis in the sense that any English sentence can be rephrased using only these words plus domain-specific nouns. This is analogous to how a vector space is spanned by its basis vectors — Ogden found the basis of English.

Connection to RTSG

RTSG Concept Ogden Parallel
Grothendieck filter Ogden's 850 is a linguistic filter — it projects the full English lexicon onto a 850-dimensional subspace
Negative space The ~170,000 English words not in Basic English form the kernel of this filter
Spectral decomposition The 850 words are the top eigenvectors of English by communicative utility
K-Matrix \(d_L\) Basic English spans the Linguistic dimension with minimal basis
Intelligence equation \(U = V/(E \times T)\) Maximum understanding per word — highest \(U\) achievable in language

Word Categories

Ogden organized the 850 words into functional classes:

Category Count Role
Operations (verbs/particles) 100 Actions and logical connectors
Things (general nouns) 400 Objects and concepts
Things (picturable nouns) 200 Concrete, visualizable objects
Qualities (general) 100 Properties and attributes
Qualities (opposites) 50 Paired contrasts
Total 850

Alphabetical Index

A

a, able, about, account, acid, across, act, addition, adjustment, advertisement, after, again, against, agreement, air, all, almost, among, amount, amusement, and, angle, angry, animal, answer, ant, any, apparatus, apple, approval, arch, argument, arm, army, art, as, at, attack, attempt, attention, attraction, authority, automatic, awake

B

baby, back, bad, bag, balance, ball, band, base, basin, basket, bath, be (are), beautiful, because, bed, bee, before, behavior, belief, bell, bent, berry, between, bird, birth, bit, bite, bitter, black, blade, blood, blow, blue, board, boat, body, boiling, bone, book, boot, bottle, box, boy, brain, brake, branch, brass, bread, breath, brick, bridge, bright, broken, brother, brown, brush, bucket, building, bulb, burn, burst, business, but, butter, button, by

C

cake, camera, canvas, card, care, carriage, cart, cat, cause, certain, chain, chalk, chance, change, cheap, cheese, chemical, chest, chief, chin, church, circle, clean, clear, clock, cloth, cloud, coal, coat, cold, collar, color, comb, come, comfort, committee, common, company, comparison, complete, competition, complex, condition, connection, conscious, control, cook, copper, copy, cord, cork, cotton, cough, country, cover, cow, crack, credit, crime, cruel, crush, cry, cup, current, curtain, curve, cushion, cut

D

damage, danger, dark, daughter, day, dead, dear, death, debt, decision, deep, degree, delicate, dependent, design, desire, destruction, detail, development, different, digestion, direction, dirty, discovery, discussion, disease, disgust, distance, distribution, division, do, dog, door, doubt, down, drain, drawer, dress, drink, driving, drop, dry, dust

E

ear, early, earth, east, edge, education, effect, egg, elastic, electric, end, engine, enough, equal, error, even, event, ever, every, example, exchange, existence, expansion, experience, expert, eye

F

face, fact, fall, false, family, far, farm, fat, father, fear, feather, feeble, feeling, female, fertile, fiction, field, fight, finger, fire, first, fish, fixed, flag, flame, flat, flight, floor, flower, fly, fold, food, foolish, foot, for, force, fork, form, forward, fowl, frame, free, frequent, friend, from, front, fruit, full, future

G

garden, general, get, girl, give, glass, glove, go, goat, gold, good, government, grain, grass, great, green, grey/gray, grip, group, growth, guide, gun

H

hair, hammer, hand, hanging, happy, harbor, hard, harmony, hat, hate, have, he, head, healthy, hearing, heart, heat, help, here, high, history, hole, hollow, hook, hope, horn, horse, hospital, hour, house, how, humor

I

I, ice, idea, if, ill, important, impulse, in, increase, industry, ink, insect, instrument, insurance, interest, invention, iron, island

J

jelly, jewel, join, journey, judge, jump

K

keep, kettle, key, kick, kind, kiss, knee, knife, knot, knowledge

L

land, language, last, late, laugh, law, lead, leaf, learning, leather, left, leg, let, letter, level, library, lift, light, like, limit, line, linen, lip, liquid, list, little (less, least), living, lock, long, look, loose, loss, loud, love, low

M

machine, make, male, man, manager, map, mark, market, married, match, material, mass, may, meal, measure, meat, medical, meeting, memory, metal, middle, military, milk, mind, mine, minute, mist, mixed, money, monkey, month, moon, morning, mother, motion, mountain, mouth, move, much (more, most), muscle, music

N

nail, name, narrow, nation, natural, near, necessary, neck, need, needle, nerve, net, new, news, night, no, noise, normal, north, nose, not, note, now, number, nut

O

observation, of, off, offer, office, oil, old, on, only, open, operation, opinion, opposite, or, orange, order, organization, ornament, other, out, oven, over, owner

P

page, pain, paint, paper, parallel, parcel, part, past, paste, payment, peace, pen, pencil, person, physical, picture, pig, pin, pipe, place, plane, plant, plate, play, please, pleasure, plough/plow, pocket, point, poison, polish, political, poor, porter, position, possible, pot, potato, powder, power, present, price, print, prison, private, probable, process, produce, profit, property, prose, protest, public, pull, pump, punishment, purpose, push, put

Q

quality, question, quick, quiet, quite

R

rail, rain, range, rat, rate, ray, reaction, reading, ready, reason, receipt, record, red, regret, regular, relation, religion, representative, request, respect, responsible, rest, reward, rhythm, rice, right, ring, river, road, rod, roll, roof, room, root, rough, round, rub, rule, run

S

sad, safe, sail, salt, same, sand, say, scale, school, science, scissors, screw, sea, seat, second, secret, secretary, see, seed, selection, self, send, seem, sense, separate, serious, servant, sex, shade, shake, shame, sharp, sheep, shelf, ship, shirt, shock, shoe, short, shut, side, sign, silk, silver, simple, sister, size, skin, skirt, sky, sleep, slip, slope, slow, small, smash, smell, smile, smoke, smooth, snake, sneeze, snow, so, soap, society, sock, soft, solid, some, son, song, sort, sound, south, soup, space, spade, special, sponge, spoon, spring, square, stamp, stage, star, start, statement, station, steam, stem, steel, step, stick, sticky, still, stitch, stocking, stomach, stone, stop, store, story, strange, street, stretch, stiff, straight, strong, structure, substance, such, sudden, sugar, suggestion, summer, sun, support, surprise, sweet, swim, system

T

table, tail, take, talk, tall, taste, tax, teaching, tendency, test, than, that, the, then, theory, there, thick, thin, thing, this, though, thought, thread, throat, through, thumb, thunder, ticket, tight, till, time, tin, tired, to, toe, together, tomorrow, tongue, tooth, top, touch, town, trade, train, transport, tray, tree, trick, trouble, trousers, true, turn, twist

U

umbrella, under, unit, up, use

V

value, verse, very, vessel, view, violent, voice

W

waiting, walk, wall, war, warm, wash, waste, watch, water, wave, wax, way, weather, week, weight, well, west, wet, wheel, when, where, while, whip, whistle, white, who, why, wide, will, wind, window, wine, wing, winter, wire, wise, with, woman, wood, wool, word, work, worm, wound, writing, wrong

X, Y, Z

year, yellow, yes, yesterday, you, young


RTSG Syntax Extension

Ogden's 850 provides the lexical substrate. RTSG extends this with a logical syntax layer inspired by Lojban and formal logic:

Logical Connectives

Symbol Ogden Word Logical Form RTSG Role
and Conjunction Tensor product of concepts
or Disjunction Coproduct / pushout
¬ not Negation Complement / negative space
if...then Implication Morphism / causal arrow
same as Biconditional Isomorphism
every, all Universal Sheaf section (global)
some, any Existential Stalk (local existence)

Dimensional Tags

Every Ogden word can be tagged with its primary Gardner dimension:

Tag Dimension Example Words
[S] Spatial place, distance, direction, position, angle, parallel, square, circle, curve, flat, round, straight
[L] Linguistic word, language, letter, writing, name, reading, say, talk, question, answer, story, prose
[M] Logical-Mathematical number, addition, division, equal, measure, account, balance, comparison, degree, rate, scale, unit
[B] Bodily-Kinesthetic walk, run, jump, push, pull, kick, grip, touch, move, motion, step, stretch
[N] Naturalistic animal, plant, seed, earth, sun, moon, star, river, mountain, rain, wind, weather
[μ] Musical (hole) music, rhythm, song, harmony, bell, sound, voice, noise, thunder, whistle
[I] Interpersonal (hole) friend, brother, sister, family, society, company, committee, nation, government, public
[ι] Intrapersonal (hole) self, mind, belief, feeling, memory, thought, desire, fear, hope, shame, conscious

Sentence Structure

RTSG logical syntax follows Subject–Relation–Object with explicit typing:

[dimension] subject —relation→ object

Examples using only Ogden words:

[M] number —is_a→ idea
[S] circle —part_of→ form
[N] seed —produces→ plant
[B] foot —enables→ walk
[ι] mind —contains→ thought
[μ] rhythm —relates_to→ music

Filter Notation

Applying a Grothendieck filter to the Ogden basis:

F_spatial(850) = {place, distance, direction, position, angle, ...}  (~60 words)
F_logical(850) = {number, addition, equal, measure, ...}             (~45 words)
neg(F_spatial) = 850 \ F_spatial(850)                                (~790 words)

The negative space of each dimensional filter contains the words that dimension cannot see — its topological silence.


Statistics

Metric Value
Total words 850
Letters represented 23 (no entries for X, Y standalone)
Longest letter section S (126 words)
Shortest letter sections J (6), K (10), Q (5), U (5), V (7)
Words mappable to Musical dimension ~10 (1.2%)
Words mappable to Interpersonal dimension ~15 (1.8%)
Words mappable to Intrapersonal dimension ~12 (1.4%)
Words mappable to Spatial dimension ~60 (7.1%)
Words mappable to Logical-Mathematical dimension ~45 (5.3%)

The dimensional distribution mirrors the knowledge graph's topology: Spatial and Logical-Mathematical dominate, Musical/Interpersonal/Intrapersonal are sparse — the same 3 holes appear in the lexical substrate.

References

  • Ogden, C.K. (1930). Basic English: A General Introduction with Rules and Grammar. London: Kegan Paul.
  • ogden.basic-english.org

See Also