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==Bibliography==
 
==Bibliography==
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Here are a three references on combinatory logic and lambda calculus, given in order of difficulty from introductory to advanced, that are especially pertinent to the use of combinators in computer science:
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Here are three references on combinatory logic and lambda calculus, given in order of difficulty from introductory to advanced, that are especially pertinent to the use of combinators in computer science:
    
# Smullyan, R. (1985), ''To Mock a Mockingbird, And Other Logic Puzzles, Including an Amazing Adventure in Combinatory Logic'', Alfred A. Knopf, New York, NY.
 
# Smullyan, R. (1985), ''To Mock a Mockingbird, And Other Logic Puzzles, Including an Amazing Adventure in Combinatory Logic'', Alfred A. Knopf, New York, NY.
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