Programming functions append Appends an element belongs? Checks if an element belongs to a set complement Complement of two sets constant_list Constant list constructor count_element Number of appearences of an element in a list divisor Divisor constructor else_if Else_if statement else Else statement empty_divisor Empty divisor constructor empty_relation Empty relation constructor empty_table Empty table constructor erase Erase an element of a list for For loop statement get_domain Type of object head First element of a list if If statement index_erase Erase elements of a list index Index of appeareances of an element insert Insert an element in a list intersect Intersection of two sets in Runs an iterator within a range is? Checks the type of object length Size of an object list List constructor local Local variables max Maximum of a set min Minimum of a set not_belongs? Checks if an element not belongs to a set not_null? Checks if an object is not null not Logical negation operator null? Checks if an object is null number_of_arguments Number of arguments of an operation prepend Prepend an element random Random number generator relation Creates a relation object repeat Repeat statement replace Replace an element of a vector, list, matrix by another one reverse Reverses the order of an object set Set constructor sort Sort a set split Split a string string_substitution Substitute strings in an expression string String constructor subset? Checks if a set is a subset of another one substring Get substrings from a larger string support Support (different from zero) of a relation, divisor... table Table constructor tail Tail of a list take The first or last elements of a list union Union of sets where Where statement while While statement with With statement zero? Checks if the elements in a set are different from zero