ã¾ãã注æãã¹ããã¨ã¯ãã¢ã«ãã¡ãããã¯[A-Za-z]ã§ãªãäºãã¦ã ã©ã¦ãã¤ãã®æåããä½ããåºã¦ããã次ã®ããã«ãã¦èª¿ã¹ã¦ã¿ãã¨ãããï¼ç°å¢ã«ãã£ã¦éããããããªãããalnum, csym, csymf, lower, upperãï¼ :- findall(X, char_type(X, alpha), L), write(L). 確å®ã«[A-Za-z]ã¨ãããªã次ã®ããã«ããã°ããã alpha_ascii(X) :- char_type(X, alpha), char_type(X, ascii). ãã®ä»ãdigit, xdigit ã¯æ°å¤ã¨æåã¨ã®å¤æã«ä½¿ããã ãªã¹ãæä½ ï¼ã¤ã®ãªã¹ããé£çµ é£çµ ?- append([1,2,3],[4,5,6],X). X = [1, 2, 3, 4, 5, 6] å¾ãé¨åãå¾ã ?- append([1,2,3],X,[1,2,3,4
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