caddr

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English[edit]

Etymology[edit]

Contraction of car of the cdr of the cdr.

Pronunciation[edit]

  • IPA(key): /ˈkɑːdədə/, /ˈkɑdədɚ/

Noun[edit]

caddr (plural caddrs)

  1. (computing) Car of the cdr of the cdr in LISP. The third element in a list.
    • Matt Kaufmann, Panagiotis Manolios, and J Strother Moore, Computer-aided reasoning: an approach, 2000 :
      If we let x denote the tree (1 2 3), then the car of x is 1, the cdr of x is (2 3), the cadr of x is 2, the caddr of x is 3, and the cdddr of x is nil.

Related terms[edit]