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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Pangram-checker/ACL2/pangram-checker.acl2 Normal file
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(defun contains-each (needles haystack)
(if (endp needles)
t
(and (member (first needles) haystack)
(contains-each (rest needles) haystack))))
(defun pangramp (str)
(contains-each (coerce "abcdefghijklmnopqrstuvwxyz" 'list)
(coerce (string-downcase str) 'list)))