[plt-scheme] Defining structures

From: aditya shukla (adityashukla1983 at gmail.com)
Date: Wed Feb 18 13:52:27 EST 2009

A question that comes to mind if variables in scheme do not have type in
scheme thus can be say that

(define a 9) -here a is a placeholder for a value whose tag is a number

> (define a 'aditya)
define: cannot redefine name: a

why can't we redefine a here?

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