Abstract
Separated $B$-spaces introduced by E. B. Dynkin are just standard Borel and thus here we have an intrinsic definition of standard Borel spaces.
Citation
S. Ramakrishnan. B. V. Rao. "$B$-Spaces are Standard Borel." Ann. Probab. 8 (6) 1191 - 1191, December, 1980. https://doi.org/10.1214/aop/1176994582
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