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Both Leibniz and Newton had independently developed a branch of mathematics called calculus, which underlies most of modern physics. 萊布尼茲和牛頓兩人都獨(dú)自創(chuàng)建了微積分這一數(shù)學(xué)分支，從而為大部分現(xiàn)代物理學(xué)奠定了基礎(chǔ)。