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First-order theory & \\\hline |
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First-order theory & undecidable\\\hline |
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Residual size & \\\hline |
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Residual size & unbounded\\\hline |
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Definable principal congruences & \\\hline Equationally def. pr. cong. & \\\hline |
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Definable principal congruences & no\\\hline Equationally def. pr. cong. & no\\\hline |