row_id
string
source_tea_id
string
tradition
string
tradition_full
string
label
string
label_id
int64
text
string
inserted_anachronism
string
insertion_position
int64
original_text_hash
string
ct-eval-v2-0073
tea-brahmagupta-002
chinese
Brahma school / Rajasthan (Bhinmal)
authentic
0
In the tradition attributed to Brahmagupta: 'The problem of zero may be solved by the following method. Divide the figure into parts of known proportion, compute the measure of each part by the standard rules, and sum the results. The correctness of the method is confirmed when the parts, reassembled, yield the same me...
null
null
122366d801eb7dca6ea47f4407a3d2f459e0ba0917aa741b0633280aeda6e4c5
ct-eval-v2-0054
ulugh-beg-observatory-sextant-005
islamic
Islamic
authentic
0
In his treatise on observatory, Ulugh Beg set forth the following: 'The ancients have observed that when a quantity is sought and its relationship to known magnitudes is expressed, the path to resolution lies in the systematic manipulation of that expression until the unknown stands alone on one side. This we call the ...
null
null
d63e2bb5639ff48630ff99efb88926ffa50fd04264537c91834c5d043b9f93d3
ct-eval-v2-0185
tea-virahanka-001
vedic
Sanskrit prosody / Jain-adjacent
anachronism
1
According to the teaching of Virahanka: 'When one seeks the arc corresponding to a given sine, or the sine corresponding to a given arc, one proceeds by the method of successive corrections. An initial approximation is chosen from the table, and to it are added correction terms computed from the difference between the ...
what later became the axiom of choice in the Zermelo-Fraenkel system is here invoked implicitly in the selection of representatives
353
24dd7a23e2814f1a98d78a4a9e7bc8407c3015f5a8ba23a91e2bedd147ecdfc7
ct-eval-v2-0043
tea-mahavira-004
vedic
Jain
authentic
0
According to the teaching of Mahavira (mathematician): 'When one seeks the arc corresponding to a given sine, or the sine corresponding to a given arc, one proceeds by the method of successive corrections. An initial approximation is chosen from the table, and to it are added correction terms computed from the differen...
null
null
2e1bb0109f8877e7aec13879f0afe0507ee33c4f8ee41fa7a0a3c64d63b4e210
ct-eval-v2-0152
swedenborg-hebrew-letter-numbers-5
_other
Swedish Christian mysticism / Kabbalistic-adjacent numerology
anachronism
1
The teaching attributed to Emanuel Swedenborg on the subject of gematria runs as follows: 'The principles governing this domain are few and invariable, but their application requires careful attention to the conditions of each case. — a universal property in the sense later made precise by Eilenberg and Mac Lane when t...
a universal property in the sense later made precise by Eilenberg and Mac Lane when they introduced category theory in 1945
232
ab280ddca4d4ae48a899666da3c8ff72b9110215aa7c4b9b54ae8b04344cbd86
ct-eval-v2-0049
tea-mahavira-001
vedic
Jain
authentic
0
The Mahavira (mathematician) tradition teaches regarding combinatorics: 'The method of finding the sum of the series proceeds by recognizing that each term bears to its successor a fixed ratio, and that the entire sum may therefore be expressed as the first term multiplied by a quantity derived from that ratio and from...
null
null
2bbec6946069f9cb170e1c4ad2932e7e6e3f7ff2dce6ba5dd9e14e38938c569c
ct-eval-v2-0080
tea-ganesha-daivajna-005
_other
Western-Deccan Ganita
authentic
0
In the system of Ganesha Daivajna, the doctrine concerning chakravala is expressed thus: 'There is a number which, when it is multiplied by itself and the product is added to ten times the number, gives sixty. Find that number.' The solution proceeds: 'Halve the coefficient of the unknown; the half is five; multiply fi...
null
null
27d18f52e071191f6fc29a570c085c0a27b0a960ee28c2e3c6981e57878de0d7
ct-eval-v2-0122
tea-munisvara-004
islamic
Mughal-era Sanskrit astronomy
anachronism
1
The learned Munisvara wrote concerning the method of spherical Earth: 'Know that every problem of this kind may be reduced to one of the canonical forms, each of which admits a known procedure for resolution. We begin by separating the known quantities from those which are sought, setting each on its proper side, that ...
what Perelman's 2003 work on geometrization showed is that the three-sphere is the only simply connected compact three-manifold
363
711d6b19b3a33ba879e756ed32b5f1f1e3ba58048109564acc3a242eb221f56b
ct-eval-v2-0001
tea-mahavira-003
vedic
Jain
authentic
0
According to the teaching of Mahavira (mathematician): 'When one seeks the arc corresponding to a given sine, or the sine corresponding to a given arc, one proceeds by the method of successive corrections. An initial approximation is chosen from the table, and to it are added correction terms computed from the differen...
null
null
e1663f2a5b42b64cd8f43bf455c5022011906df11b2d521c44a77cc7ee124ddb
ct-eval-v2-0035
yang-hui-fractional-arithmetic-reduction-004
chinese
Chinese
authentic
0
The Yang Hui method for fractions is set forth as follows: 'Place the known quantities in their appropriate positions according to the tabular arrangement. By successive operations of addition, subtraction, and the extraction of roots, reduce the array until the unknown quantity stands revealed. This is the method of t...
null
null
1ead3f7c18e7f572fca85ccaa427c3c613e880f935a9c90673572d416798c5eb
ct-eval-v2-0098
tea-liu-hui-004
chinese
Han / Three Kingdoms Chinese
authentic
0
The Liu Hui method for volume is set forth as follows: 'Place the known quantities in their appropriate positions according to the tabular arrangement. By successive operations of addition, subtraction, and the extraction of roots, reduce the array until the unknown quantity stands revealed. This is the method of the c...
null
null
dc73b76d767d71a05c85e73bdee36efd46a2c07ba585f6d8e68fad6313b3275e
ct-eval-v2-0161
plimpton322-row-10
babylonian
Babylonian (Old Babylonian period)
anachronism
1
The tablet of Plimpton 322 scribe (anonymous Babylonian) type, concerned with Pythagorean-triples, proceeds in the following manner: 'I took the length and the width. I multiplied the length and the width, the area I set down. I added the length and the width: the sum is given. — a boundary which Gödel's work of 1931 s...
a boundary which Gödel's work of 1931 showed to be in principle impassable for sufficiently rich formal systems
278
3b909bd8ff712c2a8aee8c4a0a9ddcb9a8b1d0110cf2e9a7da76c63163c87e9b
ct-eval-v2-0061
tea-halayudha-003
vedic
Indian / Sanskrit scholarship
authentic
0
According to the teaching of Halayudha: 'When one seeks the arc corresponding to a given sine, or the sine corresponding to a given arc, one proceeds by the method of successive corrections. An initial approximation is chosen from the table, and to it are added correction terms computed from the difference between the ...
null
null
43ef99bff93f17559b041348c7567b1a9666f2d9fa42da2ecef457d6ee2d8c44
ct-eval-v2-0062
al-khujandi-rayy-sextant-001
islamic
Islamic
authentic
0
In his treatise on observatory, al-Khujandi, Abu Mahmud set forth the following: 'The ancients have observed that when a quantity is sought and its relationship to known magnitudes is expressed, the path to resolution lies in the systematic manipulation of that expression until the unknown stands alone on one side. Thi...
null
null
504641550990bb0b3a470ea704edc76fe0bb53f214b15e740f28baa12b71cb12
ct-eval-v2-0060
eckhart-eternal-now-nunc-stans-5
_other
Rhineland mysticism
authentic
0
The teaching attributed to Meister Eckhart on the subject of eternal-now runs as follows: 'The principles governing this domain are few and invariable, but their application requires careful attention to the conditions of each case. The first principle is that of correspondence: every element of one kind stands in a de...
null
null
6f2354f960343d2bfbb3c65b5353d15134fd2ffe8421ecc263c7e4d8c4a02ac3
ct-eval-v2-0033
tea-bhaskara-ii-001
vedic
Indian (Siddhantic / Bija-ganita)
authentic
0
According to the teaching of Bhaskara II: 'When one seeks the arc corresponding to a given sine, or the sine corresponding to a given arc, one proceeds by the method of successive corrections. An initial approximation is chosen from the table, and to it are added correction terms computed from the difference between th...
null
null
d685beaae4566d41b2cd9757915c0cb6a3b8b4e7abdecd560c418d59022548d7
ct-eval-v2-0025
tea-reuchlin-002
_other
Kabbalah / Christian Kabbalah
authentic
0
The teaching attributed to Johannes Reuchlin on the subject of gematria runs as follows: 'The principles governing this domain are few and invariable, but their application requires careful attention to the conditions of each case. The first principle is that of correspondence: every element of one kind stands in a det...
null
null
569a61d2ab3c36fdfeccf291e774da47155fb9be19f2a6aa5f65ac826803e0fc
ct-eval-v2-0093
tea-putumana-somayaji-004
vedic
Kerala School
authentic
0
According to the teaching of Putumana Somayaji: 'When one seeks the arc corresponding to a given sine, or the sine corresponding to a given arc, one proceeds by the method of successive corrections. An initial approximation is chosen from the table, and to it are added correction terms computed from the difference betw...
null
null
9e7f7d6ad97097e2f2a7d04f746efb4d88e0aef232eae0b6a78ed28c05394034
ct-eval-v2-0197
sunzi-fraction-multiplication-005
chinese
Chinese
anachronism
1
In the tradition attributed to Sunzi (Sunzi Suanjing, anonymous compiler): 'The problem of fractions may be solved by the following method. Divide the figure into parts of known proportion, compute the measure of each part by the standard rules, and sum the results. — as Ramsey's 1930 theorem guarantees, any sufficient...
as Ramsey's 1930 theorem guarantees, any sufficiently large structure must contain the desired regular sub-pattern
266
a1aefcc02a49022eb37d9a842d90e31a84e420f169afbf9647e6e7386917015f
ct-eval-v2-0173
tea-archimedes-003
greek
Greek (Archimedean / Hellenistic)
anachronism
1
The proposition advanced by Archimedes concerning sphere may be stated as follows: 'Given a magnitude of determinate ratio to a known quantity, — a question whose independence from the standard axioms Cohen (1963) established by the method of forcing — there exists a method by which the unknown magnitude is found, and ...
a question whose independence from the standard axioms Cohen (1963) established by the method of forcing
143
9253d2df37e0b88d7e7a39e7a7739beb80730025da85e793484184f47ed84ee5
ct-eval-v2-0138
tea-hero-005
greek
Greek / Hellenistic
anachronism
1
It is recorded that Hero of Alexandria proved the following concerning optics: 'Of all rectilinear figures inscribed in a circle, the regular polygon has the greatest area. — a question whose independence from the standard axioms Cohen (1963) established by the method of forcing — The demonstration proceeds by showing ...
a question whose independence from the standard axioms Cohen (1963) established by the method of forcing
172
3846ee7f68f41ee74ab69ea850e547fea6a1e1d13797a18ad851b5ef973e142b
ct-eval-v2-0143
trithemius-polygraphia-dictionary-cipher-word-substitution
_other
Cryptography / codebook systems
anachronism
1
The teaching attributed to Johannes Trithemius on the subject of codebook cipher runs as follows: 'The principles governing this domain are few and invariable, but their application requires careful attention to the conditions of each case. — a structural intuition that Grothendieck's language of toposes would eventual...
a structural intuition that Grothendieck's language of toposes would eventually make fully precise
240
e3651a0e08adad9196a8e0e4ee049a8b4172f80738df4ff4ba98a8d1e44bd4da
ct-eval-v2-0184
tea-liu-hui-002
chinese
Han / Three Kingdoms Chinese
anachronism
1
The Liu Hui method for gou-gu rule is set forth as follows: 'Place the known quantities in their appropriate positions according to the tabular arrangement. By successive operations of addition, subtraction, and the extraction of roots, reduce the array until the unknown quantity stands revealed. — as Ramsey's 1930 the...
as Ramsey's 1930 theorem guarantees, any sufficiently large structure must contain the desired regular sub-pattern
297
4a6dd6436c5acfc1181964600b1eab736350fe08efb3b73b299411dc6c32d9a2
ct-eval-v2-0020
al-buni-divine-name-letter-square-awfaq
islamic
Islamic Occult / Combinatorial Letter Magic
authentic
0
In his treatise on letter-squares, al-Buni (Ahmad al-Buni) set forth the following: 'The ancients have observed that when a quantity is sought and its relationship to known magnitudes is expressed, the path to resolution lies in the systematic manipulation of that expression until the unknown stands alone on one side. ...
null
null
6acf5f09dec4262de9ee47e17ca20aa5e05c67f24ea47644fea77f6aa094e104
ct-eval-v2-0074
tea-steiner-005
_other
Anthroposophy / Mathematical Philosophy
authentic
0
In the system of Rudolf Steiner, the doctrine concerning projective-geometry is expressed thus: 'There is a number which, when it is multiplied by itself and the product is added to ten times the number, gives sixty. Find that number.' The solution proceeds: 'Halve the coefficient of the unknown; the half is five; mult...
null
null
295cf7c2347e96ec3f7b7f8f85cde78dc4bd53de44d1db040dde027f4bad0a10
ct-eval-v2-0196
nilakantha-infinite-series-proof-003
vedic
Indian (Kerala school)
anachronism
1
The Nilakantha Somayaji tradition teaches regarding infinite-series: 'The method of finding the sum of the series proceeds by recognizing that each term bears to its successor a fixed ratio, and that the entire sum may therefore be expressed as the first term multiplied by a quantity derived from that ratio and from th...
a question whose independence from the standard axioms Cohen (1963) established by the method of forcing
338
666e7e60342d05d66bafecbe0b24aa55b792272ab6a7ac6f953cb1e6728ea991
ct-eval-v2-0107
maimonides-thirteen-principles-2
_other
Medieval Jewish philosophy / rabbinic theology
anachronism
1
In the system of Maimonides, the doctrine concerning axiom-system is expressed thus: 'There is a number which, when it is multiplied by itself and the product is added to ten times the number, gives sixty. — in the Zermelo-Fraenkel framework that would eventually codify set-theoretic foundations, this corresponds to th...
in the Zermelo-Fraenkel framework that would eventually codify set-theoretic foundations, this corresponds to the axiom of regularity
205
64ffaf8388501422bf1c945f8b9c1ab46dc89366991e95f58798a12806206b79
ct-eval-v2-0009
pseudo-dionysius-apophatic-limit-2
greek
Christian Neoplatonism / apophatic theology
authentic
0
The proposition advanced by Pseudo-Dionysius concerning negative-theology may be stated as follows: 'Given a magnitude of determinate ratio to a known quantity, there exists a method by which the unknown magnitude is found, and it is this: set out the known ratio, proceed by the operations appropriate to the genus of t...
null
null
1c18d5010b1f6e391a9bc2ffd293fd2546b8f14379a700a2a869feed4a31b04a
ct-eval-v2-0044
sunzi-remainder-theorem-001
chinese
Chinese
authentic
0
The Sunzi (Sunzi Suanjing, anonymous compiler) method for number-theory is set forth as follows: 'Place the known quantities in their appropriate positions according to the tabular arrangement. By successive operations of addition, subtraction, and the extraction of roots, reduce the array until the unknown quantity st...
null
null
0e07691b5aaed2326ec3f3d77de27dc805f7b7dd65f1f73b702e56790023dfd2
ct-eval-v2-0128
tea-mahavira-002
vedic
Jain
anachronism
1
The Mahavira (mathematician) tradition teaches regarding fractions: 'The method of finding the sum of the series proceeds by recognizing that each term bears to its successor a fixed ratio, and that the entire sum may therefore be expressed as the first term multiplied by a quantity derived from that ratio and from the...
what Perelman's 2003 work on geometrization showed is that the three-sphere is the only simply connected compact three-manifold
337
43d46f8aea28a6240cc756d364f7ecebe5609fcc215e62f38c3e56b2dc2dc178
ct-eval-v2-0150
tea-schwaller-002
_other
Egyptosophy / Sacred Geometry
anachronism
1
In the system of Schwaller de Lubicz, the doctrine concerning golden-ratio is expressed thus: 'There is a number which, when it is multiplied by itself and the product is added to ten times the number, gives sixty. — a result in the spirit of what Tao (2008) later called 'structure versus randomness' — the apparent cha...
a result in the spirit of what Tao (2008) later called 'structure versus randomness' — the apparent chaos concealing deep regularity
214
469682dad101b916eab73c6486d8cfaa88b11df63612677a9521ffe54810ed5a
ct-eval-v2-0069
tea-blavatsky-003
vedic
Theosophy / Vedic-Puranic
authentic
0
The Helena Blavatsky tradition teaches regarding kalpa-cycles: 'The method of finding the sum of the series proceeds by recognizing that each term bears to its successor a fixed ratio, and that the entire sum may therefore be expressed as the first term multiplied by a quantity derived from that ratio and from the numb...
null
null
08ca2f8d36efb56f17c03ab2c03daa98d8da1f52285e634bcde0310f92d32acd
ct-eval-v2-0199
nilakantha-semi-heliocentric-model-002
vedic
Indian (Kerala school)
anachronism
1
The Nilakantha Somayaji tradition teaches regarding planetary-models: 'The method of finding the sum of the series proceeds by recognizing that each term bears to its successor a fixed ratio, and that the entire sum may therefore be expressed as the first term multiplied by a quantity derived from that ratio and from t...
what later became the axiom of choice in the Zermelo-Fraenkel system is here invoked implicitly in the selection of representatives
339
bca581d5f43418520a3d805ceb4a555aee858e5e7e86fbfa7c8332dc843feabb
ct-eval-v2-0154
baudhayana-square-circle-approximation-4
vedic
Vedic
anachronism
1
According to the teaching of Baudhayana: 'When one seeks the arc corresponding to a given sine, or the sine corresponding to a given arc, one proceeds by the method of successive corrections. — a universal property in the sense later made precise by Eilenberg and Mac Lane when they introduced category theory in 1945 — ...
a universal property in the sense later made precise by Eilenberg and Mac Lane when they introduced category theory in 1945
191
837910d283b1abeca7c2ae501992d38dd9ea20524685011f72e4770eb50a7ea0
ct-eval-v2-0133
qutb-al-din-al-shirazi-maragha-latitude-theory
islamic
Islamic Astronomy — Maragha School / Mathematical Astronomy
anachronism
1
The learned Qutb al-Din al-Shirazi wrote concerning the method of planetary-latitude: 'Know that every problem of this kind may be reduced to one of the canonical forms, each of which admits a known procedure for resolution. We begin by separating the known quantities from those which are sought, setting each on its pr...
as the later incompleteness results of Gödel (1931) would confirm, no such system can prove its own consistency from within
379
7de28d15b88d348d23a5a88b001c46b043ac1fc5639317f75f6997ef3ca96348
ct-eval-v2-0092
tea-brahmagupta-003
chinese
Brahma school / Rajasthan (Bhinmal)
authentic
0
The Brahmagupta method for number theory is set forth as follows: 'Place the known quantities in their appropriate positions according to the tabular arrangement. By successive operations of addition, subtraction, and the extraction of roots, reduce the array until the unknown quantity stands revealed. This is the meth...
null
null
d23a96ef65a379d074862037649d072ea95933286e692444eaf283d65f289d20
ct-eval-v2-0160
tea-lagadha-001
vedic
Vedic
anachronism
1
The Lagadha tradition teaches regarding calendar arithmetic: 'The method of finding the sum of the series proceeds by recognizing that each term bears to its successor a fixed ratio, and that the entire sum may therefore be expressed as the first term multiplied by a quantity derived from that ratio and from the number...
a topological question resolved only in 2003 by Perelman's application of Ricci flow with surgery
330
02fa7f2df5cb19c9053155367f75f0bb9dd63040c218ac8565931d661bcc64a5
ct-eval-v2-0181
tea-sripati-001
vedic
Saura-Siddhantic (Deccan–North India, post-Brahmagupta)
anachronism
1
The Sripati tradition teaches regarding trigonometric identities: 'The method of finding the sum of the series proceeds by recognizing that each term bears to its successor a fixed ratio, and that the entire sum may therefore be expressed as the first term multiplied by a quantity derived from that ratio and from the n...
a structural intuition that Grothendieck's language of toposes would eventually make fully precise
335
f9ad01fc7c49f5107b46a11dae14d0a48e4d666b51d54f48cb8452754f8410ca
ct-eval-v2-0087
al-tusi-equant-abolition-004
islamic
Islamic
authentic
0
In his treatise on planetary-models, al-Tusi, Nasir al-Din set forth the following: 'The ancients have observed that when a quantity is sought and its relationship to known magnitudes is expressed, the path to resolution lies in the systematic manipulation of that expression until the unknown stands alone on one side. ...
null
null
5841d3ecab65a82cd8225532268e035115c758c231189f794162f90ff3400c81
ct-eval-v2-0176
tea-pappus-003
greek
Greek / Late Antique
anachronism
1
It is recorded that Pappus of Alexandria proved the following concerning classification: 'Of all rectilinear figures inscribed in a circle, the regular polygon has the greatest area. — what Perelman's 2003 work on geometrization showed is that the three-sphere is the only simply connected compact three-manifold — The d...
what Perelman's 2003 work on geometrization showed is that the three-sphere is the only simply connected compact three-manifold
182
f5f70ffb3c312bd5c0c54d08aed2047720552c89f6e3800f4bc15c4fb7c8b0c4
ct-eval-v2-0081
sharaf-al-din-al-tusi-polynomial-evaluation-algorithm
islamic
Islamic Mathematics — Numerical Algorithms
authentic
0
In his treatise on polynomial-evaluation, Sharaf al-Din al-Tusi set forth the following: 'The ancients have observed that when a quantity is sought and its relationship to known magnitudes is expressed, the path to resolution lies in the systematic manipulation of that expression until the unknown stands alone on one s...
null
null
e9d227ef2990a0bd2137abc1df5f59f6b9698c01688bdc95decb6acd79d9ce5c
ct-eval-v2-0011
varahamihira-vimshottari-dasha-bhukti
vedic
Vedic jyotisha (Parashari school)
authentic
0
According to the teaching of Varahamihira: 'When one seeks the arc corresponding to a given sine, or the sine corresponding to a given arc, one proceeds by the method of successive corrections. An initial approximation is chosen from the table, and to it are added correction terms computed from the difference between t...
null
null
31154d6da2cd2df2b6a77ffbd50d23fe1fd92552eeba19779b2bb1e6a3062e7d
ct-eval-v2-0045
plimpton322-row-02
babylonian
Babylonian (Old Babylonian period)
authentic
0
The tablet of Plimpton 322 scribe (anonymous Babylonian) type, concerned with Pythagorean-triples, proceeds in the following manner: 'I took the length and the width. I multiplied the length and the width, the area I set down. I added the length and the width: the sum is given. How much are the length and the width?' T...
null
null
3b909bd8ff712c2a8aee8c4a0a9ddcb9a8b1d0110cf2e9a7da76c63163c87e9b
ct-eval-v2-0076
tea-al-khwarizmi-003
islamic
Abbasid Islamic / Khorasan
authentic
0
The learned al-Khwarizmi wrote concerning the method of algebra: 'Know that every problem of this kind may be reduced to one of the canonical forms, each of which admits a known procedure for resolution. We begin by separating the known quantities from those which are sought, setting each on its proper side, that the r...
null
null
4759338ec1babfc580abc77fec8b32ea9b6b71720f308ff7552174a68297d0b0
ct-eval-v2-0151
parameshvara-aryabhatiya-commentary-rule-4
vedic
Kerala
anachronism
1
The Parameshvara tradition teaches regarding astronomy: 'The method of finding the sum of the series proceeds by recognizing that each term bears to its successor a fixed ratio, and that the entire sum may therefore be expressed as the first term multiplied by a quantity derived from that ratio and from the number of t...
a universal property in the sense later made precise by Eilenberg and Mac Lane when they introduced category theory in 1945
325
23a5dd79801fb3a5fac38c3839e0ed67e00eb82c82836b5426bd4fb682c0e573
ct-eval-v2-0007
tea-steiner-004
_other
Anthroposophy
authentic
0
In the system of Rudolf Steiner, the doctrine concerning sevenfold-constitution is expressed thus: 'There is a number which, when it is multiplied by itself and the product is added to ten times the number, gives sixty. Find that number.' The solution proceeds: 'Halve the coefficient of the unknown; the half is five; m...
null
null
faf9c1bae71cc54aa3a98bb951bdca046c26455e0bcfe5a13b85b1af6d5def23
ct-eval-v2-0097
plimpton322-row-11
babylonian
Babylonian (Old Babylonian period)
authentic
0
The tablet of Plimpton 322 scribe (anonymous Babylonian) type, concerned with Pythagorean-triples, proceeds in the following manner: 'I took the length and the width. I multiplied the length and the width, the area I set down. I added the length and the width: the sum is given. How much are the length and the width?' T...
null
null
3b909bd8ff712c2a8aee8c4a0a9ddcb9a8b1d0110cf2e9a7da76c63163c87e9b
ct-eval-v2-0156
baudhayana-square-rectangle-transformation-3
vedic
Vedic
anachronism
1
The Baudhayana tradition teaches regarding area-transformation: 'The method of finding the sum of the series proceeds by recognizing that each term bears to its successor a fixed ratio, and that the entire sum may therefore be expressed as the first term multiplied by a quantity derived from that ratio and from the num...
as Tao and Green established in 2004, the primes contain arbitrarily long arithmetic progressions — a structural regularity invisible to earlier methods
333
db5b8e93c815eeb4bb7f8826b8bdc1451539e42aa42fae707c74cfe0e17ef99d
ct-eval-v2-0171
ulugh-beg-star-catalogue-002
islamic
Islamic
anachronism
1
The learned Ulugh Beg wrote concerning the method of star-catalogue: 'Know that every problem of this kind may be reduced to one of the canonical forms, each of which admits a known procedure for resolution. — what the Bourbaki collective would later call a 'structure' — a set equipped with relations satisfying stated ...
what the Bourbaki collective would later call a 'structure' — a set equipped with relations satisfying stated axioms
207
7c588300d76f32587efd3f113eb8458db9308823f4e9e080a7bd875b84d1ee3c
ct-eval-v2-0167
tea-brahmagupta-001
chinese
Brahma school / Rajasthan (Bhinmal)
anachronism
1
In the tradition attributed to Brahmagupta: 'The problem of signed numbers may be solved by the following method. — a conjecture that stood for more than three centuries before Wiles supplied a complete proof in 1995 — Divide the figure into parts of known proportion, compute the measure of each part by the standard ru...
a conjecture that stood for more than three centuries before Wiles supplied a complete proof in 1995
113
3242223fc0345144b3ddf32688c297983fa8451b2a57028536b166bc5b33a129
ct-eval-v2-0180
tea-ficino-003
greek
Neoplatonism / Florentine Academy
anachronism
1
The proposition advanced by Marsilio Ficino concerning three-part-soul may be stated as follows: 'Given a magnitude of determinate ratio to a known quantity, — a topological question resolved only in 2003 by Perelman's application of Ricci flow with surgery — there exists a method by which the unknown magnitude is foun...
a topological question resolved only in 2003 by Perelman's application of Ricci flow with surgery
157
040ed80705f8e2b0a28e76ac8cfeeb2c5855b4020cdb6ab840e233a1e99ff8bf
ct-eval-v2-0003
etteilla-reading-spread-positional-semantics
_other
Western Esoteric / Combinatorial Divination
authentic
0
In the system of Etteilla (Jean-Baptiste Alliette), the doctrine concerning combinatorics is expressed thus: 'There is a number which, when it is multiplied by itself and the product is added to ten times the number, gives sixty. Find that number.' The solution proceeds: 'Halve the coefficient of the unknown; the half ...
null
null
9459c1ff060099e3aa1cc1d95f6db04214063401b402a6273d3f98d1ecf81c1b
ct-eval-v2-0120
tea-liu-hui-001
chinese
Han / Three Kingdoms Chinese
anachronism
1
In the tradition attributed to Liu Hui: 'The problem of pi approximation may be solved by the following method. — in a correspondence that foreshadows the Langlands program, wherein arithmetic objects are mirrored in automorphic forms — Divide the figure into parts of known proportion, compute the measure of each part ...
in a correspondence that foreshadows the Langlands program, wherein arithmetic objects are mirrored in automorphic forms
111
78c0b500cfc1ce6b5b09c43220c050bab0f8fab3da63b5dfc7ea7e4d8bc7769c
ct-eval-v2-0164
tea-hero-004
greek
Greek / Hellenistic
anachronism
1
It is recorded that Hero of Alexandria proved the following concerning volume: 'Of all rectilinear figures inscribed in a circle, the regular polygon has the greatest area. — a boundary which Gödel's work of 1931 showed to be in principle impassable for sufficiently rich formal systems — The demonstration proceeds by s...
a boundary which Gödel's work of 1931 showed to be in principle impassable for sufficiently rich formal systems
172
244e7a07cc1a18c407a29f886a56b1783e4faebc698d6a2bb19c6ef8f7de4bf2
ct-eval-v2-0089
tea-hippasus-003
greek
Pythagorean / Greek
authentic
0
It is recorded that Hippasus of Metapontum proved the following concerning harmonics: 'Of all rectilinear figures inscribed in a circle, the regular polygon has the greatest area. The demonstration proceeds by showing that any irregular figure can be made more nearly regular without diminishing the area, and that the r...
null
null
69c999750f2722cebcf3077a0ac2b01a0c57799aff5c0b7afbfc6fd20bc4361d
ct-eval-v2-0123
tea-bhaskara-i-005
_other
Hindu / Aryabhatan
anachronism
1
The teaching attributed to Bhaskara I on the subject of arithmetic runs as follows: 'The principles governing this domain are few and invariable, but their application requires careful attention to the conditions of each case. — in the Zermelo-Fraenkel framework that would eventually codify set-theoretic foundations, t...
in the Zermelo-Fraenkel framework that would eventually codify set-theoretic foundations, this corresponds to the axiom of regularity
226
87714514be8254d275d1ad3259162b40efdbd8246a4b6f9ebc100015fe65bf9b
ct-eval-v2-0144
tea-madhava-003
vedic
Kerala School of Mathematics and Astronomy
anachronism
1
According to the teaching of Madhava of Sangamagrama: 'When one seeks the arc corresponding to a given sine, or the sine corresponding to a given arc, one proceeds by the method of successive corrections. — in a correspondence that foreshadows the Langlands program, wherein arithmetic objects are mirrored in automorphi...
in a correspondence that foreshadows the Langlands program, wherein arithmetic objects are mirrored in automorphic forms
204
323398eab07a6dea3cc4eedc429763b10dc7a760916bb42936fe942dd78cc94c
ct-eval-v2-0072
tea-euclid-003
greek
Greek (Euclidean geometry)
authentic
0
The proposition advanced by Euclid concerning right triangle may be stated as follows: 'Given a magnitude of determinate ratio to a known quantity, there exists a method by which the unknown magnitude is found, and it is this: set out the known ratio, proceed by the operations appropriate to the genus of the problem, a...
null
null
9f7927329364a85cfe404c24dd03f250cc751ba3e9e8809d249e608a7a007ff3
ct-eval-v2-0200
ali-qushji-planetary-equation-simplifications
islamic
Islamic Astronomy — Samarkand / Ottoman Istanbul School
anachronism
1
In his treatise on planetary-equations, Ali Qushji set forth the following: 'The ancients have observed that when a quantity is sought and its relationship to known magnitudes is expressed, the path to resolution lies in the systematic manipulation of that expression until the unknown stands alone on one side. — a stru...
a structural intuition that Grothendieck's language of toposes would eventually make fully precise
311
cceb2e84299ba42d35c822b8cf80c36d1afaa224cbb9f0ec7c98ed569581310b
ct-eval-v2-0183
tea-archytas-002
greek
Pythagorean / Greek
anachronism
1
The proposition advanced by Archytas of Tarentum concerning harmonics may be stated as follows: 'Given a magnitude of determinate ratio to a known quantity, — in the manner later systematized by the Bourbaki group, who rebuilt the foundations along strictly axiomatic lines — there exists a method by which the unknown m...
in the manner later systematized by the Bourbaki group, who rebuilt the foundations along strictly axiomatic lines
156
4dfc2457bc381c8cc5e0c25ef8f1c741388d121ca917d975710bb7c45cd92ada
ct-eval-v2-0039
tea-brahmagupta-004
chinese
Brahma school / Rajasthan (Bhinmal)
authentic
0
The Brahmagupta method for cyclic quadrilateral is set forth as follows: 'Place the known quantities in their appropriate positions according to the tabular arrangement. By successive operations of addition, subtraction, and the extraction of roots, reduce the array until the unknown quantity stands revealed. This is t...
null
null
a7f2668a07e343f9c1c548a08ea5a1f91b2bbb257e3517088bfa7aae715ed952
ct-eval-v2-0140
tea-bhaskara-i-004
_other
Hindu / Aryabhatan
anachronism
1
In the system of Bhaskara I, the doctrine concerning trigonometry is expressed thus: 'There is a number which, when it is multiplied by itself and the product is added to ten times the number, gives sixty. — as Ramsey's 1930 theorem guarantees, any sufficiently large structure must contain the desired regular sub-patte...
as Ramsey's 1930 theorem guarantees, any sufficiently large structure must contain the desired regular sub-pattern
205
4808a7e4dc4462c18684edb4f68c7720239acffe6d0add4302ad180950d32336
ct-eval-v2-0029
tea-archytas-003
greek
Pythagorean / Greek
authentic
0
The proposition advanced by Archytas of Tarentum concerning number-theory may be stated as follows: 'Given a magnitude of determinate ratio to a known quantity, there exists a method by which the unknown magnitude is found, and it is this: set out the known ratio, proceed by the operations appropriate to the genus of t...
null
null
f255a8d765f8dd1d0986fedc8f8a5480503844ea3436885e7f8ce20ef5991804
ct-eval-v2-0113
hildegard-egg-of-universe-geometry-1
_other
Medieval Christian mysticism / Rhenish school
anachronism
1
The teaching attributed to Hildegard of Bingen on the subject of cosmological-geometry runs as follows: 'The principles governing this domain are few and invariable, but their application requires careful attention to the conditions of each case. — in the manner later systematized by the Bourbaki group, who rebuilt the...
in the manner later systematized by the Bourbaki group, who rebuilt the foundations along strictly axiomatic lines
246
9aca1f5a87f455e7e0ddfd23bed41bf36096eee8bd58c3de9cd39b5a3e686aef
ct-eval-v2-0021
tea-putumana-somayaji-003
vedic
Kerala School
authentic
0
According to the teaching of Putumana Somayaji: 'When one seeks the arc corresponding to a given sine, or the sine corresponding to a given arc, one proceeds by the method of successive corrections. An initial approximation is chosen from the table, and to it are added correction terms computed from the difference betw...
null
null
2b0cfd19cd3a7d480f2cbac7024c3d86b4981cafbe8d788809736a1461a7b6ff
ct-eval-v2-0079
nilakantha-pi-series-001
vedic
Indian (Kerala school)
authentic
0
The Nilakantha Somayaji tradition teaches regarding infinite-series: 'The method of finding the sum of the series proceeds by recognizing that each term bears to its successor a fixed ratio, and that the entire sum may therefore be expressed as the first term multiplied by a quantity derived from that ratio and from th...
null
null
345e6a53d6d7bdcdada28b45c70c136e2eac2083744f89e7985f36ceedd87cbb
ct-eval-v2-0182
tea-pappus-001
greek
Greek / Late Antique
anachronism
1
The proposition advanced by Pappus of Alexandria concerning centroid may be stated as follows: 'Given a magnitude of determinate ratio to a known quantity, — as Cohen demonstrated in 1963 through his forcing construction, this assertion is independent of ZFC — there exists a method by which the unknown magnitude is fou...
as Cohen demonstrated in 1963 through his forcing construction, this assertion is independent of ZFC
155
e838aec5e66887cd8c54244307a664f67994ca79611b5c89a020a791390ffff2
ct-eval-v2-0056
tea-putumana-somayaji-002
vedic
Kerala School
authentic
0
The Putumana Somayaji tradition teaches regarding vakya-ganita: 'The method of finding the sum of the series proceeds by recognizing that each term bears to its successor a fixed ratio, and that the entire sum may therefore be expressed as the first term multiplied by a quantity derived from that ratio and from the num...
null
null
2e6fc44a8fd68eaabbf6189be0f619fc4a0e67f5aefa11b5de5fd6b5025b20a2
ct-eval-v2-0159
sunzi-place-value-counting-rods-002
chinese
Chinese
anachronism
1
In the tradition attributed to Sunzi (Sunzi Suanjing, anonymous compiler): 'The problem of place-value may be solved by the following method. Divide the figure into parts of known proportion, compute the measure of each part by the standard rules, and sum the results. — what the Bourbaki collective would later call a '...
what the Bourbaki collective would later call a 'structure' — a set equipped with relations satisfying stated axioms
268
e7f9fbced82bfa93807ccfcd0b4e5e25274f38439d9fb9469297416846128bec
ct-eval-v2-0004
hildegard-musical-number-ratios-symphonia-2
_other
Medieval Christian mysticism / music theory
authentic
0
In the system of Hildegard of Bingen, the doctrine concerning music is expressed thus: 'There is a number which, when it is multiplied by itself and the product is added to ten times the number, gives sixty. Find that number.' The solution proceeds: 'Halve the coefficient of the unknown; the half is five; multiply five...
null
null
b39f42da281babf832b25b9bfb413d7c1908d3d14b8df0c244201b9864cf61ab
ct-eval-v2-0117
tea-archytas-005
greek
Pythagorean / Greek
anachronism
1
It is recorded that Archytas of Tarentum proved the following concerning cosmology: 'Of all rectilinear figures inscribed in a circle, the regular polygon has the greatest area. — a result in the spirit of what Tao (2008) later called 'structure versus randomness' — the apparent chaos concealing deep regularity — The d...
a result in the spirit of what Tao (2008) later called 'structure versus randomness' — the apparent chaos concealing deep regularity
177
065818b5fe8792dcbaeb496b84df710ec143f18e5f556c202462a1cc41f416a7
ct-eval-v2-0094
court-de-gebelin-22-majors-hebrew-letter-analogy
_other
Western Esoteric / Comparative Symbolism
authentic
0
In the system of Court de Gébelin, the doctrine concerning combinatorics is expressed thus: 'There is a number which, when it is multiplied by itself and the product is added to ten times the number, gives sixty. Find that number.' The solution proceeds: 'Halve the coefficient of the unknown; the half is five; multiply...
null
null
862be3f006f70cd3f43a1cc43a5b5fed41b14eaed1cf52efa610a4c7b9ce210d
ct-eval-v2-0145
lull-nine-relative-principles-3
_other
Medieval Catalan scholasticism / combinatorial logic
anachronism
1
In the system of Ramon Llull, the doctrine concerning logical-relations is expressed thus: 'There is a number which, when it is multiplied by itself and the product is added to ten times the number, gives sixty. Find that number.' The solution proceeds: 'Halve the coefficient of the unknown; the half is five; multiply ...
a conjecture that stood for more than three centuries before Wiles supplied a complete proof in 1995
346
2882afa8c087a5d8a99aa7daeb21070325507c539b798a9b5e060ba7029f67db
ct-eval-v2-0186
al-samawal-negative-numbers-multiplication-rules
islamic
Islamic Mathematics — Algebraic Arithmetic
anachronism
1
In his treatise on negative-numbers, al-Samaw'al al-Maghribi set forth the following: 'The ancients have observed that when a quantity is sought and its relationship to known magnitudes is expressed, the path to resolution lies in the systematic manipulation of that expression until the unknown stands alone on one side...
what later became the axiom of choice in the Zermelo-Fraenkel system is here invoked implicitly in the selection of representatives
321
1771b9d3c6956dd973ae6277bddcabd2f401defde2fd5c7bc5897ce5d4e07577
ct-eval-v2-0112
al-battani-equation-of-time-004
islamic
Islamic
anachronism
1
The learned al-Battani, Abu Abdallah wrote concerning the method of astronomy: 'Know that every problem of this kind may be reduced to one of the canonical forms, each of which admits a known procedure for resolution. — in the manner later systematized by the Bourbaki group, who rebuilt the foundations along strictly a...
in the manner later systematized by the Bourbaki group, who rebuilt the foundations along strictly axiomatic lines
217
4b012b4e5da4646d32677f8b6a97f31c5d015f22f22cf4cb65a63cf6b7955503
ct-eval-v2-0179
firmicus-aspects-house-system-latin-synthesis
_other
Late Roman astrology
anachronism
1
In the system of Firmicus Maternus, the doctrine concerning aspects is expressed thus: 'There is a number which, when it is multiplied by itself and the product is added to ten times the number, gives sixty. Find that number.' The solution proceeds: 'Halve the coefficient of the unknown; the half is five; multiply five...
as Wiles (1995) finally confirmed through the modularity of elliptic curves, the equation has no solution in positive integers
381
847d5fd05978302837ccd2871fe75814222a9996a32258b274a07e6fcb5ba6e6
ct-eval-v2-0006
ali-qushji-risala-fi-al-hayah-eccentric-model
islamic
Islamic Astronomy — Samarkand / Ottoman Istanbul School
authentic
0
The learned Ali Qushji wrote concerning the method of solar-model: 'Know that every problem of this kind may be reduced to one of the canonical forms, each of which admits a known procedure for resolution. We begin by separating the known quantities from those which are sought, setting each on its proper side, that the...
null
null
2be3e08f31c9ca766a00de0cb309dc63a80ae282a052f5f59a9f03e4b2f434d2
ct-eval-v2-0019
eckhart-unum-verum-bonum-convertibility-2
_other
Rhineland mysticism / Dominican scholasticism
authentic
0
The teaching attributed to Meister Eckhart on the subject of transcendentals runs as follows: 'The principles governing this domain are few and invariable, but their application requires careful attention to the conditions of each case. The first principle is that of correspondence: every element of one kind stands in ...
null
null
6a01d1923ac3a1cc7015c92a519edcd4a531e63e617b18070616f70ea1746d05
ct-eval-v2-0014
tea-hippasus-004
greek
Pythagorean / Greek
authentic
0
It is recorded that Hippasus of Metapontum proved the following concerning cosmology: 'Of all rectilinear figures inscribed in a circle, the regular polygon has the greatest area. The demonstration proceeds by showing that any irregular figure can be made more nearly regular without diminishing the area, and that the r...
null
null
57d933c0d4371a7cc6281a98c0c1784bf19a1d908a2165f218619953ae7798da
ct-eval-v2-0139
cusanus-infinite-line-circle-3
greek
Renaissance mathematics / Christian Neoplatonism
anachronism
1
It is recorded that Nicholas of Cusa proved the following concerning geometry: 'Of all rectilinear figures inscribed in a circle, the regular polygon has the greatest area. — the deep duality here is of the kind the Langlands correspondence later made explicit between Galois representations and automorphic representati...
the deep duality here is of the kind the Langlands correspondence later made explicit between Galois representations and automorphic representations
172
4a07e30cfca6ed3f9a119493dc488f5454cb3a10eef36d48ae831066d9af7f0b
ct-eval-v2-0010
boehme-trinity-as-process-2
_other
German Christian mysticism
authentic
0
The teaching attributed to Jacob Boehme on the subject of Trinity runs as follows: 'The principles governing this domain are few and invariable, but their application requires careful attention to the conditions of each case. The first principle is that of correspondence: every element of one kind stands in a determina...
null
null
ff7705177955869d31128aef67a5222ffa5f0ffcefb69e55541e704887362191
ct-eval-v2-0142
jyesthadeva-planetary-correction-proof-4
vedic
Kerala
anachronism
1
According to the teaching of Jyesthadeva: 'When one seeks the arc corresponding to a given sine, or the sine corresponding to a given arc, one proceeds by the method of successive corrections. An initial approximation is chosen from the table, and to it are added correction terms computed from the difference between th...
a result in the spirit of what Tao (2008) later called 'structure versus randomness' — the apparent chaos concealing deep regularity
355
a6d43ba1d2a82296b4bf6b9818860eff6a8cbf1f23fd0ad5b83046d202a14f34
ct-eval-v2-0136
tea-pico-005
_other
Christian Kabbalah / Jewish Mysticism
anachronism
1
The teaching attributed to Pico della Mirandola on the subject of sephiroth runs as follows: 'The principles governing this domain are few and invariable, but their application requires careful attention to the conditions of each case. — anticipating the sheaf-theoretic approach that Grothendieck would later crystalliz...
anticipating the sheaf-theoretic approach that Grothendieck would later crystallize in his theory of schemes
235
b05c42ae87c406aa3269b94a6a626a29c2845d2b63b1768a80c6221f1c402ae8
ct-eval-v2-0075
plotinus-one-many-emanation-1
greek
Neoplatonism
authentic
0
It is recorded that Plotinus proved the following concerning emanation: 'Of all rectilinear figures inscribed in a circle, the regular polygon has the greatest area. The demonstration proceeds by showing that any irregular figure can be made more nearly regular without diminishing the area, and that the regular figure ...
null
null
cc532195e763d0f977f3d61e7129b658819e6e423eb20a176a318b20c95e94e5
ct-eval-v2-0070
plimpton322-row-09
babylonian
Babylonian (Old Babylonian period)
authentic
0
The tablet of Plimpton 322 scribe (anonymous Babylonian) type, concerned with Pythagorean-triples, proceeds in the following manner: 'I took the length and the width. I multiplied the length and the width, the area I set down. I added the length and the width: the sum is given. How much are the length and the width?' T...
null
null
3b909bd8ff712c2a8aee8c4a0a9ddcb9a8b1d0110cf2e9a7da76c63163c87e9b
ct-eval-v2-0078
crowley-pre1905-berashith-cosmological-number-essay
_other
Western Esoteric / Qabalah / Crowleyan Pre-1905
authentic
0
The teaching attributed to Aleister Crowley (pre-1905 work only) on the subject of gematria runs as follows: 'The principles governing this domain are few and invariable, but their application requires careful attention to the conditions of each case. The first principle is that of correspondence: every element of one ...
null
null
69b007138c39230f061298102c001ec293dc903cca90973047ed21e9a6e67275
ct-eval-v2-0147
plimpton322-row-05
babylonian
Babylonian (Old Babylonian period)
anachronism
1
The tablet of Plimpton 322 scribe (anonymous Babylonian) type, concerned with Pythagorean-triples, proceeds in the following manner: 'I took the length and the width. I multiplied the length and the width, the area I set down. — a topological question resolved only in 2003 by Perelman's application of Ricci flow with s...
a topological question resolved only in 2003 by Perelman's application of Ricci flow with surgery
226
3b909bd8ff712c2a8aee8c4a0a9ddcb9a8b1d0110cf2e9a7da76c63163c87e9b
ct-eval-v2-0100
tea-ficino-004
greek
Hermetic / Neoplatonism / Astral Magic
authentic
0
It is recorded that Marsilio Ficino proved the following concerning planetary-magic: 'Of all rectilinear figures inscribed in a circle, the regular polygon has the greatest area. The demonstration proceeds by showing that any irregular figure can be made more nearly regular without diminishing the area, and that the re...
null
null
f0ab09d7ecd40fcac1f6010a45e834ed060e1efc6dd0086efbe119bdca004f28
ct-eval-v2-0031
tea-eudoxus-004
greek
Greek
authentic
0
It is recorded that Eudoxus of Cnidus proved the following concerning astronomy: 'Of all rectilinear figures inscribed in a circle, the regular polygon has the greatest area. The demonstration proceeds by showing that any irregular figure can be made more nearly regular without diminishing the area, and that the regula...
null
null
e85752abacd91d88f8d898a449d44f14894eca13329b5bb2cc77972f2cf8fd95
ct-eval-v2-0084
tea-al-karaji-002
islamic
Islamic / Iraqi-Persian mathematics
authentic
0
The learned al-Karaji wrote concerning the method of number: 'Know that every problem of this kind may be reduced to one of the canonical forms, each of which admits a known procedure for resolution. We begin by separating the known quantities from those which are sought, setting each on its proper side, that the relat...
null
null
ac9d30a3d5bdcf2514d74b34139d02e8be9bd51ebf03b3c0ff001d1ab385a8dc
ct-eval-v2-0095
tea-ganesha-daivajna-001
_other
Western-Deccan Ganita (Bombay-region tradition, 16th c.)
authentic
0
In the system of Ganesha Daivajna, the doctrine concerning non-trigonometric computation is expressed thus: 'There is a number which, when it is multiplied by itself and the product is added to ten times the number, gives sixty. Find that number.' The solution proceeds: 'Halve the coefficient of the unknown; the half i...
null
null
73f255e7b49f739b38c4031b3bcc690539d3a043924704ccd221ded9ca1519ff
ct-eval-v2-0127
baudhayana-pythagorean-rope-construction-1
vedic
Vedic
anachronism
1
The Baudhayana tradition teaches regarding geometry: 'The method of finding the sum of the series proceeds by recognizing that each term bears to its successor a fixed ratio, and that the entire sum may therefore be expressed as the first term multiplied by a quantity derived from that ratio and from the number of term...
a question whose independence from the standard axioms Cohen (1963) established by the method of forcing
322
6853334d9c8c34c86d12d07fa3ac98cebd2ac6fcd3f04e559f7865100b50214b
ct-eval-v2-0026
tea-philolaus-001
greek
Pythagorean / Greek
authentic
0
It is recorded that Philolaus of Croton proved the following concerning cosmology: 'Of all rectilinear figures inscribed in a circle, the regular polygon has the greatest area. The demonstration proceeds by showing that any irregular figure can be made more nearly regular without diminishing the area, and that the regu...
null
null
8da4c25dc7ba337714f5997b9fb680deebbf9f43572f3874955372ef6d2eadf2
ct-eval-v2-0066
al-kashi-khaqani-zij-005
islamic
Islamic
authentic
0
The learned al-Kashi, Jamshid wrote concerning the method of planetary-tables: 'Know that every problem of this kind may be reduced to one of the canonical forms, each of which admits a known procedure for resolution. We begin by separating the known quantities from those which are sought, setting each on its proper si...
null
null
fd51d1ce8921effc5efbd2ec5377adc869c4ba89fe86853332e671c29d8a3788
ct-eval-v2-0137
tea-lagadha-003
vedic
Vedic
anachronism
1
The Lagadha tradition teaches regarding gnomon: 'The method of finding the sum of the series proceeds by recognizing that each term bears to its successor a fixed ratio, and that the entire sum may therefore be expressed as the first term multiplied by a quantity derived from that ratio and from the number of terms. — ...
a result in the spirit of what Tao (2008) later called 'structure versus randomness' — the apparent chaos concealing deep regularity
317
937ccd8ddd2588cadf2d76aedd321d51450b1bd8d5fe888fb4b5046de72a2816
ct-eval-v2-0175
al-biruni-earth-radius-mountain-001
islamic
Islamic
anachronism
1
The learned al-Biruni, Abu Rayhan wrote concerning the method of geodesy: 'Know that every problem of this kind may be reduced to one of the canonical forms, each of which admits a known procedure for resolution. We begin by separating the known quantities from those which are sought, setting each on its proper side, t...
the deep duality here is of the kind the Langlands correspondence later made explicit between Galois representations and automorphic representations
367
fb571d984ff8eb784aaa2e151ae443e5018c8ad449f59861a6a7df1e030dd7a1
ct-eval-v2-0082
paracelsus-iatrochemistry-medicine-chemistry-math
_other
Iatrochemistry / proto-pharmacology
authentic
0
The teaching attributed to Paracelsus on the subject of iatrochemistry runs as follows: 'The principles governing this domain are few and invariable, but their application requires careful attention to the conditions of each case. The first principle is that of correspondence: every element of one kind stands in a dete...
null
null
6085e07836cd60b1f7950eb7025f155e5b18719a3bc42008d077b3fb6ab0668b
ct-eval-v2-0124
tea-sripati-003
vedic
Saura-Siddhantic
anachronism
1
According to the teaching of Sripati: 'When one seeks the arc corresponding to a given sine, or the sine corresponding to a given arc, one proceeds by the method of successive corrections. — a conjecture that stood for more than three centuries before Wiles supplied a complete proof in 1995 — An initial approximation i...
a conjecture that stood for more than three centuries before Wiles supplied a complete proof in 1995
188
42a119b281563d5a647e18693e62946208970f3aa32435b83610b9256660e638
ct-eval-v2-0053
valens-decennials-period-calculation
greek
Hellenistic astrology
authentic
0
The proposition advanced by Vettius Valens concerning decennials may be stated as follows: 'Given a magnitude of determinate ratio to a known quantity, there exists a method by which the unknown magnitude is found, and it is this: set out the known ratio, proceed by the operations appropriate to the genus of the proble...
null
null
9f7b283aa6c27469e81465fc2b14bb1f070e65034815e9049698a734d4ee088e
ct-eval-v2-0028
tea-ficino-005
greek
Neoplatonism / Proclean
authentic
0
The proposition advanced by Marsilio Ficino concerning immortality may be stated as follows: 'Given a magnitude of determinate ratio to a known quantity, there exists a method by which the unknown magnitude is found, and it is this: set out the known ratio, proceed by the operations appropriate to the genus of the prob...
null
null
afd8839c2734637f8301f7364869eff05ec2c2cb267ee283d676ddfc553cd3a5