I have been working through SICP. In Chapter 2 they introduce Church Numerals. I wrote a blog post recently demonstrating by the method of substitution how arit

I have been working through SICP. In Chapter 2 they introduce Church Numerals. I wrote a blog post recently demonstrating by the method of substitution how arithmetic operators on Church numerals finally break down to work. Would appreciate your comments about it. EDIT: Here it is: http://lambdapilgrim.posterous.com/numbers-without-numerals http://lambdapilgrim.posterous.com/numbers-without-numerals