Preface |
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vii | |
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xxiii | |
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xxv | |
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1 | (34) |
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De Morgan, Peirce, and Schroder |
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1 | (3) |
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4 | (1) |
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5 | (1) |
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6 | (1) |
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Relative multiplication and addition |
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7 | (4) |
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11 | (1) |
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Four distinguished relations |
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12 | (2) |
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Axiomatization of the calculus of relations |
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14 | (6) |
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Definitions of relation algebras |
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20 | (5) |
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Undecidability and inexpressibility |
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25 | (1) |
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25 | (4) |
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29 | (2) |
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31 | (4) |
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35 | (86) |
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Classes, equality, membership, sets, and proper classes |
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35 | (1) |
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35 | (1) |
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An axiomatization of set theory |
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36 | (3) |
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39 | (1) |
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Virtual classes, names, and notational concerns |
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40 | (1) |
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41 | (1) |
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42 | (1) |
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43 | (1) |
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44 | (3) |
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47 | (2) |
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Axiom of Relative Product |
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49 | (3) |
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52 | (4) |
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56 | (2) |
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Axioms of the calculus of relations |
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58 | (1) |
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58 | (4) |
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62 | (4) |
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Functional and injective relations |
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66 | (3) |
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Functional and injective parts |
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69 | (6) |
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75 | (9) |
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Boolean and relative operations on sets |
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84 | (1) |
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Relation Existence Theorem |
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85 | (5) |
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90 | (2) |
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92 | (1) |
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93 | (1) |
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Lifting relations to sets |
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94 | (1) |
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95 | (1) |
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96 | (2) |
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98 | (1) |
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Partial orderings, meets, joins, and lattices |
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98 | (2) |
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100 | (1) |
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101 | (1) |
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102 | (1) |
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102 | (1) |
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Dedekind-MacNeille completion |
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102 | (19) |
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121 | (46) |
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121 | (2) |
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123 | (1) |
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Congruence relations and quotients |
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124 | (1) |
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125 | (2) |
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127 | (1) |
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128 | (2) |
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130 | (1) |
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131 | (1) |
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132 | (1) |
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133 | (8) |
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Algebras of sets and relations |
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141 | (2) |
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Proper relation algebras and RRA |
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143 | (5) |
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Closure of RRA under subalgebras and products |
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148 | (2) |
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150 | (6) |
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S and H commute on proper relation algebras |
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156 | (2) |
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158 | (1) |
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Closure of RRA under homomorphisms |
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159 | (8) |
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167 | (66) |
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167 | (10) |
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177 | (9) |
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Axiomatization and formalisms |
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186 | (3) |
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Formalisms of Tarski-Givant |
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189 | (5) |
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194 | (1) |
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194 | (2) |
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196 | (4) |
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Completeness of (HI), (HII), (HIII') |
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200 | (5) |
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Completeness of (LI)--(LIII) |
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205 | (3) |
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208 | (4) |
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212 | (2) |
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Axioms for a binary relational language |
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214 | (3) |
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Quotients of interpretations |
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217 | (2) |
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Consistent and complete theories |
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219 | (2) |
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221 | (9) |
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Completeness and compactness |
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230 | (3) |
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233 | (56) |
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233 | (3) |
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Partial orderings, completeness, atoms, density |
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236 | (1) |
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Meets and joins of subsets |
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237 | (4) |
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Ideals, filters, and ultrafilters |
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241 | (1) |
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Functions between Boolean algebras |
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242 | (2) |
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Congruence relations, ideals, filters, and homomorphisms |
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244 | (1) |
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Complete additivity and multiplicativity |
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244 | (3) |
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247 | (5) |
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252 | (4) |
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Regular-open BA of a closure operator |
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256 | (1) |
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Regular-open BA of a topological closure operator |
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257 | (6) |
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Topological spaces and closure operators |
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263 | (2) |
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Complex algebra of a binary relation |
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265 | (2) |
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Complete BA of a partial ordering |
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267 | (3) |
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270 | (1) |
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Perfect extension of a BA |
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271 | (2) |
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273 | (1) |
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Extending Boolean operators |
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274 | (5) |
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Composing extended Boolean operators |
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279 | (4) |
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Extending operators within a BA |
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283 | (2) |
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Preservation theorems for complete extensions |
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285 | (4) |
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289 | (238) |
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Boolean relation algebras |
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291 | (1) |
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292 | (1) |
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293 | (1) |
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Special kinds of elements |
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294 | (2) |
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296 | (5) |
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301 | (1) |
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302 | (1) |
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303 | (1) |
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304 | (1) |
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305 | (1) |
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306 | (1) |
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Axioms R5, R6, R7, R8, R9 |
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306 | (1) |
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307 | (2) |
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Theorem K and the cycle law |
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309 | (4) |
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313 | (6) |
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Characterizations of NA and RA |
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319 | (3) |
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322 | (1) |
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323 | (1) |
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324 | (2) |
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326 | (4) |
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330 | (1) |
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Elementary arithmetic in WA |
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331 | (7) |
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338 | (7) |
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n-dimensional relation algebras |
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345 | (5) |
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350 | (4) |
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Complex algebras of ternary relations |
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354 | (3) |
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The very nonassociative algebra in NA ~ WA |
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357 | (1) |
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McKinsey's algebra in WA ~ SA |
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357 | (1) |
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358 | (1) |
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Lyndon's nonrepresentable algebras in RA ~ RRA |
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358 | (1) |
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Jonsson's algebras from projective geometries |
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359 | (1) |
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Lyndon's algebras from projective geometries |
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359 | (1) |
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McKenzie's nonrepresentable algebra |
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360 | (2) |
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362 | (2) |
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Cycle structures of complex algebras |
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364 | (1) |
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Representation by complex algebras |
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365 | (1) |
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Elementary arithmetic in SA |
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366 | (4) |
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Associativity in groupoids |
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370 | (3) |
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Independence of seven weak associative laws |
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373 | (2) |
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Consequences of 4-associativity |
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375 | (4) |
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379 | (2) |
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381 | (1) |
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Ideal elements, relativization, and homomorphisms |
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382 | (1) |
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383 | (4) |
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387 | (2) |
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Necessary subalgebras of SAs |
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389 | (4) |
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Elementary arithmetic in RA |
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393 | (1) |
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394 | (2) |
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Transitive and equivalence elements |
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396 | (2) |
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398 | (3) |
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401 | (7) |
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408 | (3) |
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411 | (6) |
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417 | (3) |
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Classification of simple finite algebras |
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420 | (3) |
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Finite integral relation algebras with 0, 1, 2, or 3 atoms |
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423 | (12) |
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Finite integral relation algebras with 4 or 5 atoms |
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435 | (1) |
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Cycles of the algebras 1/37--37/37 |
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436 | (1) |
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Multiplication tables for algebras 1/37--37/37 |
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437 | (2) |
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Diversity cycles for the algebras 1/65--65/65 |
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439 | (1) |
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Multiplication tables for the algebras 1/65--65/65 |
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440 | (4) |
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Diversity cycles of the algebras 1/83--83/83 |
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444 | (2) |
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Multiplication tables for algebras 1/83--83/83 |
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446 | (6) |
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Failures of (J), (L), (M) among 1/1--1/83 |
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452 | (2) |
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Independence of (J), (L), and (M) |
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454 | (1) |
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5-dimensional relational basis data for 198 algebras |
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454 | (2) |
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Algebras of every dimension |
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456 | (2) |
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458 | (2) |
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Finite algebras with many automorphisms |
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460 | (11) |
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471 | (2) |
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RRA is not finitely based |
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473 | (3) |
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The number of finite integral relation algebras |
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476 | (4) |
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Many nonrepresentable relation algebras |
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480 | (2) |
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Algebras with few subalgebras |
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482 | (1) |
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Non-embeddable relation algebras |
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482 | (4) |
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Complex algebras of cycle structures |
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486 | (2) |
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Flexible systems of atoms |
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488 | (1) |
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489 | (8) |
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Singletons and twins in a simple SA |
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497 | (4) |
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Algebras from modular lattices |
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501 | (1) |
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502 | (4) |
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A characterization of representability |
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506 | (6) |
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Complete representability |
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512 | (3) |
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RRAs with no complete representations |
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515 | (2) |
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Point-density and pair-density |
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517 | (1) |
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Simple pair-dense algebras |
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518 | (3) |
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Complete representability results |
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521 | (6) |
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527 | (56) |
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527 | (3) |
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Inequipollence of Lx and L+ |
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530 | (5) |
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Finite-variable formalisms |
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535 | (3) |
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538 | (4) |
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542 | (8) |
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550 | (7) |
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557 | (2) |
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Algebraic satisfaction and substitution |
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559 | (5) |
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564 | (10) |
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Free SAs and RAs of formulas |
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574 | (4) |
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Formalizing set theory in Lx |
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578 | (5) |
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4329 finite integral relation algebras |
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583 | (130) |
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Cycles of algebras 1/1316--1316/1316 |
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583 | (29) |
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Cycles of algebras 1/3013--3013/3013 |
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612 | (37) |
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Failures of (J), (L), (M) among 1/1316--1316/1316 and 1/3013--3013/3013 |
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649 | (31) |
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5-dimensional basis data for 1/1316--1316/1316 and 1/3013--3013/3013 |
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680 | (33) |
Bibliography |
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713 | (10) |
Index |
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723 | |