Surreal Numbers - Les nombres sur ordinaux

1 · Shane Mulligan · July 28, 2022, noon
Surreal numbers are the most natural collection of numbers which includes both the real numbers and the infinite ordinal numbers of Georg Cantor. They were invented by John H. Conway in 1969. Every real number is surrounded by surreals, which are closer to it than any real number. Knuth (1974) describes the surreal numbers in a work of fiction. Transcript 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 The name actually came to me in the middle of the night; I have no idea....