aggregate.pl |
| aggregate/3 | Aggregate bindings in Goal according to Template. |  |
| aggregate/4 | Aggregate bindings in Goal according to Template. |  |
| aggregate_all/3 | Aggregate bindings in Goal according to Template. |  |
| aggregate_all/4 | Aggregate bindings in Goal according to Template. |  |
| foldall/4 | Use Folder to fold V0 to V using all answers of Goal. |  |
| foreach/2 | True when the conjunction of instances of Goal created from solutions for Generator is true. |  |
| free_variables/4 | Find free variables in bagof/setof template. |  |
| safe_meta/2 | Declare the aggregate meta-calls safe. |  |
ansi_term.pl -- Print decorated text to ANSI consoles |
apply.pl |
| convlist/3 | Similar to maplist/3, but elements for which call(Goal, ElemIn, _) fails are omitted from ListOut. |  |
| exclude/3 | Filter elements for which Goal fails. |  |
| foldl/4 | Fold an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("fold-left"), using columns of m list elements as arguments for Goal. |  |
| foldl/5 | Fold an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("fold-left"), using columns of m list elements as arguments for Goal. |  |
| foldl/6 | Fold an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("fold-left"), using columns of m list elements as arguments for Goal. |  |
| foldl/7 | Fold an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("fold-left"), using columns of m list elements as arguments for Goal. |  |
| include/3 | Filter elements for which Goal succeeds. |  |
| maplist/2 | True if Goal is successfully applied on all matching elements of the list. |  |
| maplist/3 | True if Goal is successfully applied on all matching elements of the list. |  |
| maplist/4 | True if Goal is successfully applied on all matching elements of the list. |  |
| maplist/5 | True if Goal is successfully applied on all matching elements of the list. |  |
| partition/4 | Filter elements of List according to Pred. |  |
| partition/5 | Filter List according to Pred in three sets. |  |
| scanl/4 | Scan an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("scan-left"), using columns of m list elements as arguments for Goal. |  |
| scanl/5 | Scan an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("scan-left"), using columns of m list elements as arguments for Goal. |  |
| scanl/6 | Scan an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("scan-left"), using columns of m list elements as arguments for Goal. |  |
| scanl/7 | Scan an ensemble of m (0 <= m <= 4) lists of length n head-to-tail ("scan-left"), using columns of m list elements as arguments for Goal. |  |
apply_macros.pl -- Goal expansion rules to avoid meta-calling |
arithmetic.pl |
| arithmetic_expression_value/2 | True when Result unifies with the arithmetic result of evaluating Expression. |  |
| arithmetic_function/1 | Declare a predicate as an arithmetic function. |  |
assoc.pl |
| assoc_to_keys/2 | True if Keys is the list of keys in Assoc. |  |
| assoc_to_list/2 | Translate Assoc to a list Pairs of Key-Value pairs. |  |
| assoc_to_values/2 | True if Values is the list of values in Assoc. |  |
| del_assoc/4 | True if Key-Value is in Assoc0. |  |
| del_max_assoc/4 | True if Key-Value is in Assoc0 and Key is the greatest key. |  |
| del_min_assoc/4 | True if Key-Value is in Assoc0 and Key is the smallest key. |  |
| empty_assoc/1 | Is true if Assoc is the empty association list. |  |
| gen_assoc/3 | True if Key-Value is an association in Assoc. |  |
| get_assoc/3 | True if Key-Value is an association in Assoc. |  |
| get_assoc/5 | True if Key-Val0 is in Assoc0 and Key-Val is in Assoc. |  |
| is_assoc/1 | True if Assoc is an association list. |  |
| list_to_assoc/2 | Create an association from a list Pairs of Key-Value pairs. |  |
| map_assoc/2 | True if Pred(Value) is true for all values in Assoc. |  |
| map_assoc/3 | Map corresponding values. |  |
| max_assoc/3 | True if Key-Value is in Assoc and Key is the largest key. |  |
| min_assoc/3 | True if Key-Value is in assoc and Key is the smallest key. |  |
| ord_list_to_assoc/2 | Assoc is created from an ordered list Pairs of Key-Value pairs. |  |
| put_assoc/4 | Assoc is Assoc0, except that Key is associated with Value. |  |
atom.pl |
| identifier_parts/2 | Parts is a list of atoms that make up Identifier. |  |
| join_identifier_parts/3 | Join parts of an identifier according to Style. |  |
| restyle_identifier/3 | Restyle an identifier by extracting the alnum substrings and joining them together according to Style. |  |
backcomp.pl |
| $apropos_match/2 | True if Needle is a sub atom of Haystack. |  |
| $arch/2 | |  |
| $argv/1 | |  |
| $declare_module/3 | Used in triple20 particle library. |  |
| $home/1 | |  |
| $module/2 | |  |
| $set_prompt/1 | Set the prompt for the toplevel. |  |
| $sig_atomic/1 | Execute Goal without processing signals. |  |
| $strip_module/3 | This used to be an internal predicate. |  |
| $version/1 | |  |
| C/3 | Used to be generated by DCG. |  |
| at_initialization/1 | Register goal only to be run if a saved state is restored. |  |
| call_cleanup/3 | Call Cleanup with an indication of the reason unified to Catcher. |  |
| checklist/2 | |  |
| concat/3 | |  |
| concat_atom/2 | Concatenate a list of atomic values to an atom. |  |
| concat_atom/3 | Concatenate a list of atomic values to an atom, inserting Separator between each consecutive elements. |  |
| convert_time/2 | Convert a time-stamp as obtained though get_time/1 into a textual representation using the C-library function ctime(). |  |
| convert_time/8 | Convert a time stamp, provided by get_time/1, time_file/2, etc. |  |
| current_module/2 | True if Module is a module loaded from File. |  |
| current_mutex/3 | |  |
| current_thread/2 | |  |
| displayq/1 | Write term ignoring operators and quote atoms. |  |
| displayq/2 | Write term ignoring operators and quote atoms. |  |
| eval_license/0 | |  |
| export_list/2 | Module exports the predicates of List. |  |
| feature/2 | Control Prolog flags. |  |
| flush/0 | |  |
| free_variables/2 | Return a list of unbound variables in Term. |  |
| hash/1 | Demands PredInd to be indexed using a hash-table. |  |
| hash_term/2 | If Term is ground, Hash is unified to an integer representing a hash for Term. |  |
| index/1 | Prepare the predicate indicated by Head for multi-argument indexing. |  |
| lock_predicate/2 | |  |
| merge/3 | Merge the ordered sets List1 and List2 into a new ordered list. |  |
| merge_set/3 | Merge the ordered sets Set1 and Set2 into a new ordered set without duplicates. |  |
| message_queue_size/2 | True if Queue holds Size terms. |  |
| proper_list/1 | Old SWI-Prolog predicate to check for a list that really ends in a []. |  |
| read_clause/1 | |  |
| read_clause/2 | |  |
| read_history/6 | |  |
| read_pending_input/3 | |  |
| read_variables/2 | |  |
| read_variables/3 | |  |
| set_base_module/1 | Set the default module from which we inherit. |  |
| set_feature/2 | Control Prolog flags. |  |
| setup_and_call_cleanup/3 | Call Cleanup once after Goal is finished. |  |
| setup_and_call_cleanup/4 | Call Cleanup once after Goal is finished, with Catcher unified to the reason. |  |
| sformat/2 | |  |
| sformat/3 | |  |
| string_to_atom/2 | Bi-directional conversion between string and atom. |  |
| string_to_list/2 | Bi-directional conversion between a string and a list of character codes. |  |
| sublist/3 | Succeeds if List2 unifies with a list holding those terms for which call(Goal, Elem) succeeds. |  |
| substring/4 | Predecessor of sub_string using 1-based Offset. |  |
| sumlist/2 | True when Sum is the list of all numbers in List. |  |
| thread_at_exit/1 | Register Goal to be called when the calling thread exits. |  |
| trie_insert_new/3 | |  |
| unlock_predicate/2 | |  |
| write_ln/1 | |  |
base32.pl -- Base32 encoding and decoding |
base64.pl -- Base64 encoding and decoding |
broadcast.pl -- Event service |
charsio.pl -- I/O on Lists of Character Codes |
check.pl |
| check/0 | Run all consistency checks defined by checker/2. |  |
| checker/2 | Register code validation routines. |  |
| list_autoload/0 | Report predicates that may be auto-loaded. |  |
| list_cross_module_calls/0 | List calls from one module to another using Module:Goal where the callee is not defined exported, public or multifile, i.e., where the callee should be considered private. |  |
| list_format_errors/0 | List argument errors for format/2,3. |  |
| list_format_errors/1 | List argument errors for format/2,3. |  |
| list_rationals/0 | List rational numbers that appear in clauses. |  |
| list_rationals/1 | List rational numbers that appear in clauses. |  |
| list_redefined/0 | Lists predicates that are defined in the global module user as well as in a normal module; that is, predicates for which the local definition overrules the global default definition. |  |
| list_strings/0 | List strings that appear in clauses. |  |
| list_strings/1 | List strings that appear in clauses. |  |
| list_trivial_fails/0 | List goals that trivially fail because there is no matching clause. |  |
| list_trivial_fails/1 | List goals that trivially fail because there is no matching clause. |  |
| list_undefined/0 | Report undefined predicates. |  |
| list_undefined/1 | Report undefined predicates. |  |
| list_void_declarations/0 | List predicates that have declared attributes, but no clauses. |  |
| string_predicate/1 | Multifile hook to disable list_strings/0 on the given predicate. |  |
| trivial_fail_goal/1 | Multifile hook that tells list_trivial_fails/0 to accept Goal as valid. |  |
| valid_string_goal/1 | Multifile hook that qualifies Goal as valid for list_strings/0. |  |
codesio.pl -- I/O on Lists of Character Codes |
coinduction.pl -- Co-Logic Programming |
csv.pl |
| csv/3 | Prolog DCG to `read/write' CSV data. |  |
| csv/4 | Prolog DCG to `read/write' CSV data. |  |
| csv_options/2 | Compiled is the compiled representation of the CSV processing options as they may be passed into csv//2, etc. |  |
| csv_read_file/2 | Read a CSV file into a list of rows. |  |
| csv_read_file/3 | Read a CSV file into a list of rows. |  |
| csv_read_file_row/3 | True when Row is a row in File. |  |
| csv_read_row/3 | Read the next CSV record from Stream and unify the result with Row. |  |
| csv_read_stream/3 | Read CSV data from Stream. |  |
| csv_write_file/2 | Write a list of Prolog terms to a CSV file. |  |
| csv_write_file/3 | Write a list of Prolog terms to a CSV file. |  |
| csv_write_stream/3 | Write the rows in Data to Stream. |  |
ctypes.pl -- Character code classification |
| is_digit/3 | Succeeds if `C' is a digit using `Base' as base and `Weight' represents its value. |  |
| is_paren/2 | True if Open is the open-parenthesis of Close. |  |
| to_lower/2 | Downcase a character code. |  |
| to_upper/2 | Upcase a character code. |  |
| upper_lower/2 | True when U is the character code of an uppercase character and L is the character code of the corresponding lowercase character. |  |
date.pl -- Process dates and times |
debug.pl |
| assertion_failed/2 | This hook is called if the Goal of assertion/1 fails. | |
| debug_print_hook/3 | Hook called by debug/3. |  |
| assertion/1 | Acts similar to C assert() macro. |  |
| debug/1 | Add/remove a topic from being printed. |  |
| debug/3 | Format a message if debug topic is enabled. |  |
| debug_message_context/1 | Specify additional context for debug messages. |  |
| debugging/1 | Examine debug topics. |  |
| debugging/2 | Examine debug topics. |  |
| list_debug_topics/0 | List currently known topics for debug/3 and their setting. |  |
| list_debug_topics/1 | List currently known topics for debug/3 and their setting. |  |
| nodebug/1 | Add/remove a topic from being printed. |  |
dialect.pl -- Support multiple Prolog dialects |
dicts.pl -- Dict utilities |
dif.pl -- The dif/2 constraint |
edinburgh.pl -- Some traditional Edinburgh predicates |
edit.pl |
| edit/0 | Edit associated or script file. |  |
| edit/1 | Edit indicated object. |  |
| edit_command/2 | This predicate should specify the shell-command called to invoke the user's editor. |  |
| locate/2 | Locate object from the specified location. |  |
| locate/3 | |  |
| select_location/3 | |  |
error.pl |
exceptions.pl |
| catch/4 | As catch/3, only catching exceptions for which exception(ErrorType,Ball) is true. |  |
| error_term/2 | Describe the formal part of error(Formal,ImplDefined) exceptions. |  |
| exception/2 | If Ball is unbound, adds a delayed goal that tests the error belongs to Type when Ball is instantiated (by catch/3). |  |
| exception_term/2 | Describe exceptions that are not error(Formal, _) terms. |  |
| exception_type/2 | Declare all exceptions subsumed by Term to be an exception of Type. |  |
explain.pl -- Describe Prolog Terms |
fastrw.pl -- Fast reading and writing of terms |
files.pl |
| can_open_file/2 | Succeeds if the user has access to `File' in mode `Mode'. |  |
| chdir/1 | Change Working Directory. |  |
gensym.pl -- Generate unique symbols |
git.pl |
| git/2 | Run a GIT command. |  |
| git_branches/2 | True when Branches is the list of branches in the repository. |  |
| git_default_branch/2 | True when BranchName is the current branch of a repository. |  |
| git_default_branch/2 | True when BranchName is the default branch of a repository. |  |
| git_describe/2 | Describe the running version based on GIT tags and hashes. |  |
| git_hash/2 | Return the hash of the indicated object. |  |
| git_ls_remote/3 | Execute git ls-remote against the remote repository to fetch references from the remote. |  |
| git_ls_tree/2 | True when Entries is a list of entries in the the GIT repository, Each entry is a term:. |  |
| git_open_file/4 | Open the file File in the given bare GIT repository on the given branch (treeisch). |  |
| git_process_output/3 | Run a git-command and process the output with OnOutput, which is called as call(OnOutput, Stream). |  |
| git_remote_branches/2 | Exploit git_ls_remote/3 to fetch the branches from a remote repository without downloading it. |  |
| git_remote_url/3 | URL is the remote (fetch) URL for the given Remote. |  |
| git_shortlog/3 | Fetch information like the GitWeb change overview. |  |
| git_show/4 | Fetch info from a GIT commit. |  |
| git_tags/2 | True when Tags is a list of git tags defined on the repository. |  |
| git_tags_on_branch/3 | Tags is a list of tags in Branch on the GIT repository Dir, most recent tag first. |  |
| is_git_directory/1 | True if Directory is a git directory (Either checked out or bare). |  |
| is_git_hash/1 | True when Atom represents a GIT hash, i.e., a 40 digit hexadecimal string. |  |
hashtable.pl -- Hash tables |
heaps.pl -- heaps/priority queues |
help.pl -- Text based manual |
increval.pl |
| incr_directly_depends/2 | True if Goal1 depends on Goal2 in the IDG. |  |
| incr_invalid_subgoals/1 | List is a sorted list (set) of the incremental subgoals that are currently invalid. |  |
| incr_invalidate_call/1 | This is the XSB name, but the manual says incr_invalidate_calls/1 and the comment with the code suggests this is misnamed. |  |
| incr_invalidate_calls/1 | Invalidate all tables for subgoals of Goal as well as tables that are affected by these. |  |
| incr_is_invalid/1 | True when Subgoal's table is marked as invalid. |  |
| incr_propagate_calls/1 | Activate the monotonic answer propagation similarly to when a new fact is asserted for a monotonic dynamic predicate. |  |
| incr_table_update/0 | Updated all invalid tables. |  |
| incr_trans_depends/2 | True for each pair in the transitive closure of incr_directly_depends(G1, G2). |  |
| is_incremental_subgoal/1 | This predicate non-deterministically unifies Subgoal with incrementally tabled subgoals that are currently table entries. |  |
intercept.pl |
| intercept/3 | Run Goal as call/1. |  |
| intercept/4 | Similar to intercept/3, but the copy of Handler is called as call(Copy,Arg), which allows passing large context arguments or arguments subject to unification or destructive assignment. |  |
| intercept_all/4 | True when List contains all instances of Template that have been sent using send_signal/1 where the argument unifies with Ball. |  |
| nb_intercept_all/4 | As intercept_all/4, but backtracing inside Goal does not reset List. |  |
| send_signal/1 | If this predicate is called from a sub-goal of intercept/3, execute the associated Handler of the intercept/3 environment. |  |
| send_silent_signal/1 | As send_signal/1, but succeed silently if there is no matching intercept environment. |  |
iostream.pl -- Utilities to deal with streams |
lazy_lists.pl -- Lazy list handling |
listing.pl |
| listing/0 | Lists all predicates defined in the calling module. |  |
| listing/1 | List matching clauses. |  |
| listing/2 | List matching clauses. |  |
| portray_clause/1 | Portray `Clause' on the current output stream. |  |
| portray_clause/2 | Portray `Clause' on the current output stream. |  |
| portray_clause/3 | Portray `Clause' on the current output stream. |  |
lists.pl -- List Manipulation |
macros.pl -- Macro expansion |
main.pl |
| argv_options/3 | Parse command line arguments. |  |
| argv_options/4 | As argv_options/3 in guided mode, Currently this version allows parsing argument options throwing an exception rather than calling halt/1 by passing an empty list to ParseOptions. |  |
| argv_usage/1 | Use print_message/2 to print a usage message at Level. |  |
| cli_debug_opt_help/2 | Implements opt_type/3, opt_help/2 and opt_meta/2 for debug arguments. |  |
| cli_debug_opt_meta/2 | Implements opt_type/3, opt_help/2 and opt_meta/2 for debug arguments. |  |
| cli_debug_opt_type/3 | Implements opt_type/3, opt_help/2 and opt_meta/2 for debug arguments. |  |
| cli_enable_development_system/0 | Re-enable the development environment. |  |
| cli_parse_debug_options/2 | Parse certain commandline options for debugging and development purposes. |  |
| main/0 | Call main/1 using the passed command-line arguments. |  |
make.pl -- Reload modified source files |
modules.pl -- Module utility predicates |
nb_set.pl -- Non-backtrackable sets |
occurs.pl -- Finding and counting sub-terms |
operators.pl |
| pop_operators/0 | Revert all changes to the operator table realised since the last push_operators/1. |  |
| pop_operators/1 | Reset operators as pushed by push_operators/2. |  |
| push_op/3 | As op/3, but this call must appear between push_operators/1 and pop_operators/0. |  |
| push_operators/1 | Installs the operators from New, where New is a list of op(Prec, Type, :Name). |  |
| push_operators/2 | Installs the operators from New, where New is a list of op(Prec, Type, :Name). |  |
option.pl -- Option list processing |
optparse.pl -- command line parsing |
ordsets.pl -- Ordered set manipulation |
oset.pl -- Ordered set manipulation |
pairs.pl |
| group_pairs_by_key/2 | Group values with equivalent (==/2) consecutive keys. |  |
| map_list_to_pairs/3 | Create a Key-Value list by mapping each element of List. |  |
| pairs_keys/2 | Remove the values from a list of Key-Value pairs. |  |
| pairs_keys_values/3 | True if Keys holds the keys of Pairs and Values the values. |  |
| pairs_values/2 | Remove the keys from a list of Key-Value pairs. |  |
| transpose_pairs/2 | Swap Key-Value to Value-Key. |  |
persistency.pl -- Provide persistent dynamic predicates |
pio.pl -- Pure I/O |
pprint.pl -- Pretty Print Prolog terms |
predicate_options.pl |
| assert_predicate_options/4 | As predicate_options(:PI, +Arg, +Options). |  |
| check_predicate_option/3 | Verify predicate options at runtime. |  |
| check_predicate_options/0 | Analyse loaded program for erroneous options. |  |
| check_predicate_options/1 | Verify calls to predicates that have options in all clauses of the predicate indicated by PredicateIndicator. |  |
| current_option_arg/2 | True when Arg of PI processes predicate options. |  |
| current_predicate_option/3 | True when Arg of PI processes Option. |  |
| current_predicate_options/3 | True when Options is the current active option declaration for PI on Arg. |  |
| derive_predicate_options/0 | Derive new predicate option declarations. |  |
| derived_predicate_options/1 | Derive predicate option declarations for a module. |  |
| derived_predicate_options/3 | Derive option arguments using static analysis. |  |
| predicate_options/3 | Declare that the predicate PI processes options on Arg. |  |
| retractall_predicate_options/0 | Remove all dynamically (derived) predicate options. |  |
prolog_breakpoints.pl -- Manage Prolog break-points |
prolog_clause.pl |
| clause_info/4 | Fetches source information for the given clause. |  |
| clause_info/5 | Fetches source information for the given clause. |  |
| clause_name/2 | Provide a suitable description of the indicated clause. |  |
| initialization_layout/4 | Find term-layout of :- initialization directives. |  |
| make_varnames/5 | Create a Term varnames(...) where each argument contains the name of the variable at that offset. |  |
| open_source/2 | Hook into clause_info/5 that opens the stream holding the source for a specific clause. |  |
| predicate_name/2 | Describe a predicate as [Module:]Name/Arity. |  |
| unify_goal/5 | This hook is called to fix up source code manipulations that result from goal expansions. |  |
| unify_term/2 | Unify the two terms, where T2 is created by writing the term and reading it back in, but be aware that rounding problems may cause floating point numbers not to unify. |  |
prolog_code.pl -- Utilities for reasoning about code |
prolog_codewalk.pl -- Prolog code walker |
prolog_colour.pl -- Prolog syntax colouring support. |
prolog_config.pl -- Provide configuration information |
prolog_coverage.pl -- Coverage analysis tool |
prolog_debug.pl -- User level debugging tools |
prolog_format.pl |
| format_spec/2 | Parse a format string. |  |
| format_spec/3 | DCG for parsing format strings. |  |
| format_types/2 | True when Format requires an argument list with terms of the type specified by Types. |  |
prolog_history.pl -- Per-directory persistent commandline history |
prolog_metainference.pl |
| infer_meta_predicate/2 | True when MetaSpec is a meta-predicate specifier for the predicate Head. |  |
| inferred_meta_predicate/2 | True when MetaSpec is an inferred meta-predicate specification for Head. |  |
prolog_pack.pl |
| pack_info/1 | Print more detailed information about Pack. |  |
| pack_install/1 | Install one or more packs from SpecOrList. |  |
| pack_install/2 | Install one or more packs from SpecOrList. |  |
| pack_install_local/3 | Install a number of packages in a local directory. |  |
| pack_list/1 | Query package server and installed packages and display results. |  |
| pack_list/2 | Query package server and installed packages and display results. |  |
| pack_list_installed/0 | List currently installed packages and report possible dependency issues. |  |
| pack_property/2 | True when Property is a property of an installed Pack. |  |
| pack_publish/2 | Publish a package. |  |
| pack_rebuild/0 | Rebuild possible foreign components of Pack. |  |
| pack_rebuild/1 | Rebuild possible foreign components of Pack. |  |
| pack_remove/1 | Remove the indicated package. |  |
| pack_remove/2 | Remove the indicated package. |  |
| pack_search/1 | Query package server and installed packages and display results. |  |
| pack_upgrade/1 | Upgrade Pack. |  |
| pack_url_file/2 | True if File is a unique id for the referenced pack and version. |  |
prolog_source.pl -- Examine Prolog source-files |
prolog_stack.pl -- Examine the Prolog stack |
prolog_trace.pl |
| list_tracing/0 | List predicates we are currently tracing. |  |
| notraceall/0 | Remove all trace points. |  |
| trace/1 | Print passes through ports of specified predicates. |  |
| trace/2 | Print passes through ports of specified predicates. |  |
| tracing/2 | True if Spec is traced using Ports. |  |
prolog_versions.pl |
| cmp_versions/3 | Compare to versions. |  |
| require_prolog_version/2 | Claim that the running Prolog version is at least version Required and provides the requested Features. |  |
| require_version/3 | Require Component to have version CmpRequired, while Component is know to have version Available. |  |
prolog_wrap.pl -- Wrapping predicates |
prolog_xref.pl -- Prolog cross-referencer data collection |
pure_input.pl -- Pure Input from files and streams |
qsave.pl -- Save current program as a state or executable |
quasi_quotations.pl -- Define Quasi Quotation syntax |
quintus.pl |
| abs/2 | Unify `Absolute' with the absolute value of `Number'. |  |
| acos/2 | Math library predicates. |  |
| asin/2 | Math library predicates. |  |
| atan/2 | Math library predicates. |  |
| atan2/3 | Math library predicates. |  |
| atom_char/2 | Same as ISO char_code/2. |  |
| ceiling/2 | Math library predicates. |  |
| compile/1 | Compile files. |  |
| cos/2 | Math library predicates. |  |
| current_stream/3 | SICStus/Quintus and backward compatible predicate. |  |
| date/1 | Get current date as date(Y,M,D). |  |
| floor/2 | Math library predicates. |  |
| genarg/3 | Generalised version of ISO arg/3. |  |
| log/2 | Math library predicates. |  |
| log10/2 | Math library predicates. |  |
| midstring/3 | Too difficult to explain. |  |
| midstring/4 | Too difficult to explain. |  |
| midstring/5 | Too difficult to explain. |  |
| midstring/6 | Too difficult to explain. |  |
| no_style_check/1 | Same as SWI-Prolog style_check(-Style). |  |
| on_exception/3 | |  |
| otherwise/0 | For (A -> B ; otherwise -> C). |  |
| pow/3 | Math library predicates. |  |
| prolog_flag/2 | Same as ISO current_prolog_flag/2. |  |
| raise_exception/1 | Quintus compatible exception handling. |  |
| round/2 | Math library predicates. |  |
| sign/2 | Math library predicates. |  |
| simple/1 | Term is atomic or a variable. |  |
| sin/2 | Math library predicates. |  |
| skip_line/0 | Skip the rest of the current line (on Stream). |  |
| skip_line/1 | Skip the rest of the current line (on Stream). |  |
| sqrt/2 | Math library predicates. |  |
| stream_position/3 | True when Old is the current position in Stream and the stream has been repositioned to New. |  |
| tan/2 | Math library predicates. |  |
| unix/1 | This predicate provides a partial emulation of the corresponding Quintus predicate. |  |
random.pl |
| getrand/1 | Query/set the state of the random generator. |  |
| maybe/0 | Succeed/fail with equal probability (variant of maybe/1). |  |
| maybe/1 | Succeed with probability P, fail with probability 1-P. |  |
| maybe/2 | Succeed with probability K/N (variant of maybe/1). |  |
| random/1 | Binds R to a new random float in the open interval (0.0,1.0). |  |
| random/3 | Generate a random integer or float in a range. |  |
| random_between/3 | Binds R to a random integer in [L,U] (i.e., including both L and U). |  |
| random_member/2 | X is a random member of List. |  |
| random_numlist/4 | Unify List with an ascending list of integers between L and U (inclusive). |  |
| random_perm2/4 | Does X=A,Y=B or X=B,Y=A with equal probability. |  |
| random_permutation/2 | Permutation is a random permutation of List. |  |
| random_select/3 | Randomly select or insert an element. |  |
| random_subseq/3 | Selects a random subsequence Subseq of List, with Complement containing all elements of List that were not selected. |  |
| randseq/3 | S is a list of K unique random integers in the range 1..N. |  |
| randset/3 | S is a sorted list of K unique random integers in the range 1..N. |  |
| setrand/1 | Query/set the state of the random generator. |  |
rbtrees.pl |
| is_rbtree/1 | True if Term is a valid Red-Black tree. |  |
| list_to_rbtree/2 | Tree is the red-black tree corresponding to the mapping in List, which should be a list of Key-Value pairs. |  |
| ord_list_to_rbtree/2 | Tree is the red-black tree corresponding to the mapping in list List, which should be a list of Key-Value pairs. |  |
| rb_apply/4 | If the value associated with key Key is Val0 in Tree, and if call(G,Val0,ValF) holds, then NewTree differs from Tree only in that Key is associated with value ValF in tree NewTree. |  |
| rb_clone/3 | `Clone' the red-back tree TreeIn into a new tree TreeOut with the same keys as the original but with all values set to unbound values. |  |
| rb_del_max/4 | Delete the largest element from the tree Tree, returning the key Key, the value Val associated with the key and a new tree NewTree. |  |
| rb_del_min/4 | Delete the least element from the tree Tree, returning the key Key, the value Val associated with the key and a new tree NewTree. |  |
| rb_delete/3 | Delete element with key Key from the tree Tree, returning the value Val associated with the key and a new tree NewTree. |  |
| rb_delete/4 | Same as rb_delete(Tree, Key, NewTree), but also unifies Val with the value associated with Key in Tree. |  |
| rb_empty/1 | Succeeds if Tree is an empty Red-Black tree. |  |
| rb_fold/4 | Fold the given predicate over all the key-value pairs in Tree, starting with initial state State0 and returning the final state State. |  |
| rb_in/3 | True when Key-Value is a key-value pair in red-black tree Tree. |  |
| rb_insert/4 | Add an element with key Key and Value to the tree Tree creating a new red-black tree NewTree. |  |
| rb_insert_new/4 | Add a new element with key Key and Value to the tree Tree creating a new red-black tree NewTree. |  |
| rb_keys/2 | Keys is unified with an ordered list of all keys in the Red-Black tree Tree. |  |
| rb_lookup/3 | True when Value is associated with Key in the Red-Black tree Tree. |  |
| rb_map/2 | True if call(Goal, Value) is true for all nodes in T. |  |
| rb_map/3 | For all nodes Key in the tree Tree, if the value associated with key Key is Val0 in tree Tree, and if call(G,Val0,ValF) holds, then the value associated with Key in NewTree is ValF. |  |
| rb_max/3 | Key is the maximal key in Tree, and is associated with Val. |  |
| rb_min/3 | Key is the minimum key in Tree, and is associated with Val. |  |
| rb_new/1 | Create a new Red-Black tree Tree. |  |
| rb_next/4 | Next is the next element after Key in Tree, and is associated with Val. |  |
| rb_partial_map/4 | For all nodes Key in Keys, if the value associated with key Key is Val0 in tree Tree, and if call(G,Val0,ValF) holds, then the value associated with Key in NewTree is ValF, otherwise it is the value associated with the key in Tree. |  |
| rb_previous/4 | Previous is the previous element after Key in Tree, and is associated with Val. |  |
| rb_size/2 | Size is the number of elements in Tree. |  |
| rb_update/4 | Tree NewTree is tree Tree, but with value for Key associated with NewVal. |  |
| rb_update/5 | Same as rb_update(Tree, Key, NewVal, NewTree) but also unifies OldVal with the value associated with Key in Tree. |  |
| rb_visit/2 | Pairs is an infix visit of tree Tree, where each element of Pairs is of the form Key-Value. |  |
readln.pl |
readutil.pl -- Read utilities |
record.pl |
| current_record/2 | True if Name is the name of a record defined in the module associated with Term and Term is the user-provided record declaration. |  |
| current_record_predicate/2 | True if PI is the predicate indicator for an access predicate to Record. |  |
| record/1 | Define access predicates for a compound-term. |  |
sandbox.pl -- Sandboxed Prolog code |
settings.pl -- Setting management |
shell.pl -- Elementary shell commands |
shlib.pl |
| compat_arch/2 | User definable hook to establish if Arch1 is compatible with Arch2 when running a shared object. |  |
| current_foreign_library/2 | Query currently loaded shared libraries. |  |
| load_foreign_library/1 | Load a shared object or DLL. |  |
| load_foreign_library/2 | Load a shared object or DLL. |  |
| reload_foreign_libraries/0 | Reload all foreign libraries loaded (after restore of a state created using qsave_program/2. |  |
| unload_foreign_library/1 | Unload a shared object or DLL. |  |
| unload_foreign_library/2 | Unload a shared object or DLL. |  |
| use_foreign_library/1 | Load and install a foreign library as load_foreign_library/1,2 and register the installation using initialization/2 with the option now. |  |
| use_foreign_library/2 | Load and install a foreign library as load_foreign_library/1,2 and register the installation using initialization/2 with the option now. |  |
solution_sequences.pl -- Modify solution sequences |
sort.pl |
statistics.pl -- Get information about resource usage |
strings.pl -- String utilities |
system.pl -- System utilities |
tables.pl -- XSB interface to tables |
terms.pl -- Term manipulation |
thread.pl |
| call_in_thread/2 | Run Goal as an interrupt in the context of Thread. |  |
| concurrent/3 | Run Goals in parallel using N threads. |  |
| concurrent_and/2 | Concurrent version of (Generator,Test). |  |
| concurrent_and/3 | Concurrent version of (Generator,Test). |  |
| concurrent_forall/2 | True when Action is true for all solutions of Generate. |  |
| concurrent_forall/3 | True when Action is true for all solutions of Generate. |  |
| concurrent_maplist/2 | Concurrent version of maplist/2. |  |
| concurrent_maplist/3 | Concurrent version of maplist/2. |  |
| concurrent_maplist/4 | Concurrent version of maplist/2. |  |
| first_solution/3 | Try alternative solvers concurrently, returning the first answer. |  |
thread_pool.pl -- Resource bounded thread management |
threadutil.pl -- Interactive thread utilities |
ugraphs.pl -- Graph manipulation library |
url.pl -- Analysing and constructing URL |
utf8.pl -- UTF-8 encoding/decoding on lists of character codes. |
varnumbers.pl |
| max_var_number/3 | True when Max is the max of Start and the highest numbered $VAR(N) term. |  |
| numbervars/1 | Number variables in Term using $VAR(N). |  |
| varnumbers/2 | Inverse of numbervars/1. |  |
| varnumbers/3 | Inverse of numbervars/3. |  |
| varnumbers_names/3 | If Term is a term with numbered and named variables using the reserved term '$VAR'(X), Copy is a copy of Term where each '$VAR'(X) is consistently replaced by a fresh variable and Bindings is a list X = Var, relating the X terms with the variable it is mapped to. |  |
wfs.pl -- Well Founded Semantics interface |
when.pl |
| when/2 | Execute Goal when Condition is satisfied. |  |
writef.pl |
| swritef/2 | Use writef/1 or writef/2 and write the result to a string. |  |
| swritef/3 | Use writef/1 or writef/2 and write the result to a string. |  |
| writef/1 | Formatted write to the current_output. |  |
| writef/2 | Formatted write to the current_output. |  |
www_browser.pl -- Open a URL in the users browser |
yall.pl -- Lambda expressions |
zip.pl -- Access resource ZIP archives |