  In his review of the Tractatus, Ramsey thought that Wittgenstein’s suggestion for eliminating the subject (5.542) was “an important advance” (1923, 469), but he assumed the opposite in ‘Truth and Probability’ (1928). In a passage where he admitted following Peirce (1926a, [PP] 90 n. 2), he argued that the human mind “works essentially according to general rules or habits” (1926a, [PP] 90):