It is not of the essence of mathematics to be conversant with the ideas of number and quantity.
熟悉数和量的概念并不是数学的本质。
-- George John Boole 乔治·约翰·布尔
It is not of the essence of mathematics to be conversant with the ideas of number and quantity.
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It is not of the essence of mathematics to be conversant with the ideas of number and quantity.
熟悉数和量的概念并不是数学的本质。
-- George John Boole 乔治·约翰·布尔
