《明史·志·卷四十八》
建文、永乐年间罢除三公、三孤官职，仁宗重新设置。
建文、永乐间罢公、孤官，仁宗复设。
The Three Duke and Three Solitary posts were discontinued during the Jianwen and Yongle years, and Emperor Renzong re-established them.
<s>[INST] Kindly elucidate the central themes in this passage in English: 建文、永乐间罢公、孤官，仁宗复设。 [/INST] The Three Duke and Three Solitary posts were discontinued during the Jianwen and Yongle years, and Emperor Renzong re-established them.</s>
Kindly elucidate the central themes in this passage in English: 建文、永乐间罢公、孤官，仁宗复设。
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The Three Duke and Three Solitary posts were discontinued during the Jianwen and Yongle years, and Emperor Renzong re-established them.
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