It is, in some sense, the loss of thecertainty of mathematics knowledge that make Wittgenstein abandon his idea ofrealism of Platonism which still existing in the philosophy of Russell.

• 从某种程度上讲,正是数学知识的确定性的丧失使维特根斯坦抛弃了残留在罗素哲学中的柏拉图主义的实在论的思想。