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| 005 | 20260205044407.0 | ||
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| 082 | _a121 Ay24P | ||
| 100 | _aAyer, A. J. | ||
| 245 | 0 | _aProblem of knowledge | |
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| 300 | _a258p. | ||
| 690 | _aTheory of Knowledge | ||
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