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          • Member
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          • Endp
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          • Rational-listp
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          • Atom-listp
          • ACL2-number-listp
          • Typed-list-utilities
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          • Listp
          • Standard-char-listp
          • Last-cdr
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Lists

Lists of objects, the classic Lisp data structure.

Subtopics

Member
Membership predicate
Append
concatenate zero or more lists
List
Build a list
Nth
The nth element (zero-based) of a list
Len
Length of a list
True-listp
Recognizer for proper (nil-terminated) lists
String-listp
Recognizer for a true list of strings
Nat-listp
Recognizer for a true list of natural numbers
Character-listp
Recognizer for a true list of characters
Symbol-listp
Recognizer for a true list of symbols
True-list-listp
Recognizer for true (proper) lists of true lists
Length
Length of a string or proper list
Search
Search for a string or list in another string or list
Intersection$
Elements common to the given lists
Union$
A list that contains exactly the elements of the given lists
Remove-duplicates
Remove duplicates from a string or a list
Position
Position of an item in a string or a list
Update-nth
Modify a list by putting the given value at the given position
Take
Initial segment (first n elements) of a list
Nthcdr
Final segment of a list
Set-difference$
Elements of one list that are not elements of another
Subsetp
Test if every member of one list is a member of the other
No-duplicatesp
Check for duplicates in a list
Concatenate
Concatenate lists or strings together
Remove
Remove all occurrences
Remove1
Remove first occurrences, testing using eql
Intersectp
Test whether two lists intersect
Endp
Recognizer for empty lists
Keyword-value-listp
Recognizer for true lists whose even-position elements are keywords
Integer-listp
Recognizer for a true list of integers
Reverse
Reverse a list or string
Add-to-set
Add a symbol to a list
List-utilities
Some utilities for lists.
Set-size
Size of a set represented as a list.
Revappend
Concatenate the reverse of one list to another
Subseq
Subsequence of a string or list
Make-list
Make a list of a given size
Last
The last cons (not element) of a list
Lists-light
A lightweight library for lists.
Boolean-listp
Recognizer for a true list of booleans
Butlast
All but a final segment of a list
Pairlis$
Zipper together two lists
Substitute
Substitute into a string or a list, using eql as test
Count
Count the number of occurrences of an item in a string or true-list
Keyword-listp
Recognizer for true lists of keywords
List*
Build a list
Eqlable-listp
Recognizer for a true list of objects each suitable for eql
Pos-listp
Recognizer for a true list of positive integers
Integer-range-listp
Recognize true lists of integers in ranges.
Rational-listp
Recognizer for a true list of rational numbers
Evens
The even-indexed members of a list
Atom-listp
Recognizer for a true list of atoms
ACL2-number-listp
Recognizer for a true list of numbers
Typed-list-utilities
Some utilities for typed lists.
Odds
The odd-indexed members of a list
List$
Build a list
Listp
Recognizer for (not necessarily proper) lists
Standard-char-listp
Recognizer for a true list of standard characters
Last-cdr
The last cdr of a list
Pairlis
See pairlis$
Proper-consp
Recognizer for proper (nil-terminated) non-empty lists
Improper-consp
Recognizer for improper (non-nil-terminated) non-empty lists
Pairlis-x2
Cons each element of a list with a given element
Pairlis-x1
Cons a given element to each member of a list
Merge-sort-lexorder
Sort a list
Fix-true-list
Coerce to a true list
Real-listp
ACL2(r) recognizer for a true list of real numbers