Chapter 2, Building Abstractions with Data

Section - 2.3 Symbolic Data

Exercise 2.55


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> (car ''abracadabra)
'quote
> 

As mentioned in the book 'a is equivalent to (quote a).

Thus ''abracadabra is equivalent to (quote (quote abracadabra)). That means (quote abracadabra) is considered as a list of symbols 'quote and 'abracadabra. Thus car (quote (quote abracadabra)) returns 'quote.