[plt-scheme] Dr. Scheme Function 'Remove'

From: Gadfly (dyrueta at gmail.com)
Date: Fri Jul 24 14:41:34 EDT 2009

HtDP exercise 27.5.5 calls for the use of function 'remove'.  However,
Dr. Scheme reports an error when remove is used: "reference to an
identifier before its definition: remove."

Any way to access this function?

Thanks,
Dave Yrueta



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