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Part I Tenth-century construction methods |
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3 | (1) |
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§1 General notions on magic squares |
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3 | (6) |
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§2 The two texts from the tenth century |
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9 | (10) |
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9 | (1) |
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9 | (2) |
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2 The Introduction to Arithmetic by Nicomachos |
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11 | (2) |
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13 | (3) |
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16 | (3) |
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Chapter I Ordinary magic squares |
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19 | (24) |
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§1 Construction of odd-order squares |
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20 | (6) |
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A Particular case of order 3 |
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20 | (1) |
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1 Uniqueness of the square of order 3 |
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20 | (1) |
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2 Construction of the square of order 3 `by displacement' |
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20 | (1) |
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3 A Construction `Without Displacement' |
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21 | (1) |
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21 | (2) |
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23 | (3) |
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§2 Construction of even-order squares |
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26 | (17) |
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26 | (1) |
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1 Constructions by displacement |
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26 | (1) |
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2 A Construction Without Displacement |
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27 | (3) |
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30 | (1) |
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31 | (1) |
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D Allusion to a generalization |
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31 | (1) |
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32 | (2) |
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34 | (2) |
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36 | (1) |
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36 | (1) |
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2 Case of evenly even orders |
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37 | (3) |
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3 Case of evenly odd orders |
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40 | (3) |
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Chapter II Bordered magic squares |
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43 | (24) |
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§1 Construction of odd-order bordered squares |
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43 | (8) |
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A Empirical discovery of a method |
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43 | (1) |
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43 | (3) |
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2 Higher odd-order squares |
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46 | (2) |
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B Description of the general method |
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48 | (1) |
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C Mathematical basis for this method |
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49 | (2) |
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§2 Construction of even-order bordered squares |
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51 | (16) |
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A Construction of bordered squares of evenly even orders |
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51 | (1) |
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1 Description of the method in A and B |
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51 | (2) |
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2 Description of the general method |
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53 | (1) |
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3 Mathematical basis for this method |
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54 | (1) |
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54 | (4) |
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(β) The tenth-century method |
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58 | (1) |
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B Construction of bordered squares of evenly odd orders |
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59 | (1) |
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1 Particular case of order 6 |
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59 | (2) |
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2 Description of a general method in A |
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61 | (1) |
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3 Other description of the general method |
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61 | (1) |
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4 Mathematical basis for this method |
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62 | (5) |
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Chapter III Separation by parity |
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67 | (37) |
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§1 Structure of the rhomb according to B |
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67 | (2) |
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67 | (1) |
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B Largest square within the rhomb |
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68 | (1) |
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§2 The partially empirical construction of B |
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69 | (3) |
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§3 Filling the rhomb according to A |
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72 | (2) |
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§4 Placing the even numbers around the rhomb |
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74 | (30) |
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A Situation after filling the rhomb |
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74 | (1) |
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1 Determining the number of remaining empty cells |
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74 | (1) |
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2 Determining the sum required |
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75 | (3) |
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B Rules for placing the even numbers |
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78 | (7) |
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C Case of the order n = 4t + 1 (with t ≥ 2) |
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85 | (1) |
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85 | (1) |
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86 | (4) |
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90 | (2) |
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4 Completing the construction |
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92 | (3) |
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D Case of the order n = 4t + 3 (with t ≥ 1) |
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95 | (1) |
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95 | (1) |
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95 | (4) |
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99 | (2) |
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4 Completing the construction |
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101 | (1) |
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E Particular case of order 5 |
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102 | (2) |
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Chapter IV Composite magic squares |
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104 | (13) |
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§1 Subsquares having same size and unequal sums |
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104 | (3) |
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§2 Subsquares having same size and equal sums |
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107 | (1) |
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§3 Parts having different sizes |
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108 | (9) |
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108 | (5) |
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B Method of the central square |
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113 | (4) |
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117 | (2) |
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119 | (88) |
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120 | (23) |
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Chapter II Science of the magic square |
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143 | (1) |
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§1 Science of odd-order (squares) |
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143 | (21) |
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§2 Science of even-order (squares) |
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164 | (6) |
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170 | (10) |
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Chapter III Determining the hidden number |
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180 | (27) |
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207 | (46) |
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208 | (2) |
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(Construction of ordinary magic squares) |
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210 | (12) |
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(Construction of bordered magic squares) |
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222 | (18) |
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(Particular cases of odd-order squares) |
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240 | (10) |
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(Particular cases of even-order squares) |
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250 | (3) |
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Opuscule on the magic square by al-Kharaqi |
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253 | (4) |
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257 | (2) |
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259 | (76) |
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262 | (20) |
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Chapter II Science of the magic square |
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282 | (1) |
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§1 Science of odd-order (squares) |
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282 | (17) |
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§2 Science of even-order (squares) |
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299 | (4) |
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303 | (13) |
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Chapter III Determining the hidden number |
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316 | (19) |
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335 | (48) |
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335 | (2) |
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(Construction of ordinary magic squares) |
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337 | (12) |
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(Construction of bordered magic squares) |
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349 | (19) |
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(Particular cases of odd-order squares) |
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368 | (10) |
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(Particular cases of even-order squares) |
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378 | (5) |
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Opuscule on the magic square by al-Kharaqi |
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383 | (2) |
Bibliography |
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385 | (4) |
Index |
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389 | |