zài / luó jí xué / zhōng / tóng yī lǜ / yāo qiú / yī gè / mìng tí / bì xū / bǎo chí / zì shēn / yī zhì在逻辑学中,同一律要求一个命题必须保持自身一致。In logic, the law of identity requires that a proposition remain consistent with itself.