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2 votes
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Is contextual equivalence of a language with `quote`-`eval` trivial or not?

Potentially problematically, this means that in a Lisp program with macros (or a Racket or Scheme program) you don't know what the contexts are until you run the potentially-nonterminating macro expansion …
Sam Tobin-Hochstadt's user avatar
3 votes

Mathematical explanation of recursion and lambda (referenced in The Little Schemer)

All you really need is the definition of the untyped $\lambda$-calculus, which you can find in numerous places. Everything else follows from that.
Sam Tobin-Hochstadt's user avatar
19 votes
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Historic Relationship between Typed Lambda Calculus and Lisp?

First, your friend is wrong about the history of the $\lambda$-calculus. Church created the untyped calculus first, which he intended as a foundation for mathematics. Fairly quickly, it was discovered …
Sam Tobin-Hochstadt's user avatar