>Am I missing something? Yes. Consider the parentheses in an s-expression. (function foo bar) The s-expression is a universal structure that can be used for

>Am I missing something? Yes. Consider the parentheses in an s-expression. (function foo bar) The s-expression is a universal structure that can be used for every construct in a lisp. Notice that the core structure is not changed if we replace the parentheses with say, semi-colons. ;function foo bar; The core of the concept remains the same. McCarthy's discovery is classed as such because as a construct s-expressions can be crafted from any set of symbols.[0] [0]: This statement is probably false in more ways than one, that still doesn't damage my point.