[FOM] Reply to Putnam 2

[Timothy Y. Chow]

Harvey Friedman wrote:

>In fact, when I first met Hilary in Fall, 1964, as a first semester 
>freshman at MIT, I was focused on the circularities in logic, and asked, 
>innocently, "how does logic start?"  Hilary said that he didn't have 
>anything like a complete answer to this question, but rightly gave me 
>references to a couple of books that do the basic setup with much more 
>care than normal.

Which references were these?

Tim