Talk:Set theory

Latest comment: 11 years ago by 89.67.16.54

I believe the sentence about 1 = {1}, 2 = {1,2} is wrong. I think it's 1 = {0}, 2 = {0,1} etc. 89.67.16.54 (talk) 02:40, 17 February 2013 (UTC)Reply

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