aggregate.pl -- Aggregation operators on backtrackable predicates |
ansi_term.pl |
| ansi_format/3 | Format text with ANSI attributes. |  |
| ansi_get_color/2 | Obtain the RGB color for an ANSI color parameter. |  |
| ansi_hyperlink/2 | Create a hyperlink for a terminal emulator. |  |
| ansi_hyperlink/3 | Create a hyperlink for a terminal emulator. |  |
| tty_url_hook/2 | Hook for location_url/2. |  |
| console_color/2 | Hook that allows for mapping abstract terms to concrete ANSI attributes. | |
| message_line_element/2 | Hook implementation that deals with ansi(+Attr, +Fmt, +Args) in message specifications. |  |
apply.pl -- Apply predicates on a list |
apply_macros.pl -- Goal expansion rules to avoid meta-calling |
| apply_macros_sentinel/0 | Used to detect that library(apply_macros) is loaded into the current context explicitly. |  |
| expand_phrase/2 | Provide goal-expansion for PhraseGoal. |  |
| expand_phrase/4 | Provide goal-expansion for PhraseGoal. |  |
arithmetic.pl -- Extensible arithmetic |
assoc.pl -- Binary associations |
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 |
| atom_to_chars/2 | Convert Atom into a list of character codes. |  |
| atom_to_chars/3 | Convert Atom into a difference list of character codes. |  |
| format_to_chars/3 | Use format/2 to write to a list of character codes. |  |
| format_to_chars/4 | Use format/2 to write to a difference list of character codes. |  |
| number_to_chars/2 | Convert Atom into a list of character codes. |  |
| number_to_chars/3 | Convert Number into a difference list of character codes. |  |
| open_chars_stream/2 | Open Codes as an input stream. |  |
| read_from_chars/2 | Read Codes into Term. |  |
| read_term_from_chars/3 | Read Codes into Term. |  |
| with_output_to_chars/2 | Run Goal as with once/1. |  |
| with_output_to_chars/3 | Run Goal as with once/1. |  |
| with_output_to_chars/4 | Same as with_output_to_chars/3 using an explicit stream. |  |
| write_to_chars/2 | Write a term to a code list. |  |
| write_to_chars/3 | Write a term to a code list. |  |
check.pl -- Consistency checking |
codesio.pl -- I/O on Lists of Character Codes |
coinduction.pl -- Co-Logic Programming |
csv.pl -- Process CSV (Comma-Separated Values) data |
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 -- Print debug messages and test assertions |
dialect.pl -- Support multiple Prolog dialects |
dicts.pl -- Dict utilities |
dif.pl -- The dif/2 constraint |
edinburgh.pl -- Some traditional Edinburgh predicates |
edit.pl -- Editor interface |
error.pl |
explain.pl |
| explain/1 | Give an explanation on Term. |  |
| explain/2 | True when Explanation is an explanation of Term. |  |
fastrw.pl -- Fast reading and writing of terms |
files.pl |
gensym.pl -- Generate unique symbols |
git.pl -- Run GIT commands |
hashtable.pl |
| ht_del/3 | Delete Key-Value from HT. |  |
| ht_gen/3 | True when Key-Value is in HT. |  |
| ht_get/3 | True when Key is in HT and associated with Value. |  |
| ht_is_hashtable/1 | True when HT is a hash table. |  |
| ht_keys/2 | True when Keys is an ordered set of all keys in HT. |  |
| ht_new/1 | Create a new hash table. |  |
| ht_pairs/2 | True when Pairs and HT represent the same association. |  |
| ht_put/3 | Add a Key-Value to HT. |  |
| ht_put/5 | Add Key-Value to HT. |  |
| ht_put_new/3 | As ht_put/3, but fails if Key is already in HT instead of updating the associated value. |  |
| ht_size/2 | True when Size is the number of key-value pairs in HT. |  |
| ht_update/4 | True when HT holds Key-Old before and Key-New after this call. |  |
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 -- Provide entry point for scripts |
make.pl -- Reload modified source files |
modules.pl -- Module utility predicates |
nb_set.pl |
| add_nb_set/2 | Insert Key into the set. |  |
| add_nb_set/3 | Insert Key into the set. |  |
| empty_nb_set/1 | Create an empty non-backtrackable set. |  |
| gen_nb_set/2 | Enumerate the members of a set in the standard order of terms. |  |
| nb_set_to_list/2 | Get the elements of a an nb_set. |  |
| size_nb_set/2 | Unify Size with the number of elements in the set. |  |
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 |
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 |
| print_term/2 | Pretty print a Prolog term. |  |
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_autoload.pl |
| autoload_all/0 | Force all necessary autoloading to be done now. |  |
| autoload_all/1 | Force all necessary autoloading to be done now. |  |
prolog_breakpoints.pl |
| breakpoint_property/2 | True when Property is a property of the breakpoint Id. |  |
| delete_breakpoint/1 | Delete breakpoint with given Id. |  |
| set_breakpoint/4 | Put a breakpoint at the indicated source-location. |  |
| set_breakpoint/5 | Put a breakpoint at the indicated source-location. |  |
| set_breakpoint_condition/2 | Set a condition for of the breakpoint with given Id. |  |
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_program_clause/2 | True when ClauseRef is a reference for clause in the program. |  |
| prolog_walk_code/1 | Walk over all loaded (user) Prolog code. |  |
| subterm_pos/5 | True when SubTerm is a sub term of Term, compared using Cmp, TermPosition describes the term layout of Term and SubTermPos describes the term layout of SubTerm. |  |
prolog_colour.pl |
| prolog_colourise_query/3 | Colourise a query, to be executed in the context of SourceId. |  |
| prolog_colourise_stream/3 | Determine colour fragments for the data on Stream. |  |
| prolog_colourise_stream/4 | Determine colour fragments for the data on Stream. |  |
| prolog_colourise_term/4 | Colourise the next term on Stream. |  |
| syntax_colour/2 | True when a range classified Class must be coloured using Attributes. |  |
| vararg_goal_classification/3 | Multifile hookable classification for vararg predicates. |  |
prolog_config.pl |
| prolog_config/2 | Get information on the configuration of the current Prolog system. |  |
| prolog_dump_runtime_variables/0 | Dump the current configuration in shell format. |  |
prolog_coverage.pl |
| cov_load_data/2 | Reload coverage data from File. |  |
| cov_property/1 | True when coverage analysis satisfies Property. |  |
| cov_reset/0 | Discard all collected coverage data. |  |
| cov_save_data/2 | Save the coverage information to File. |  |
| coverage/1 | As call(Goal), collecting coverage information while Goal is running. |  |
| coverage/2 | Collect and optionally report coverage by Goal. |  |
| report_hook/2 | This hook is called after the data collection. |  |
| show_coverage/1 | Show collected coverage data. |  |
prolog_debug.pl -- User level debugging tools |
prolog_format.pl -- Analyse format specifications |
prolog_history.pl |
| prolog_history/1 | Execute Action on the history. |  |
prolog_jiti.pl -- Just In Time Indexing (JITI) utilities |
prolog_metainference.pl -- Infer meta-predicate properties |
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_profile.pl -- Execution profiler |
prolog_source.pl -- Examine Prolog source-files |
prolog_stack.pl |
| backtrace/1 | Get and print a stacktrace to the user_error stream. |  |
| get_prolog_backtrace/2 | Obtain a backtrace from the current location. |  |
| get_prolog_backtrace/3 | Obtain a backtrace from the current location. |  |
| print_last_choicepoint/0 | Print details on the last open choice point. |  |
| print_last_choicepoint/2 | |  |
| print_prolog_backtrace/2 | Print a stacktrace in human readable form to Stream. |  |
| print_prolog_backtrace/3 | Print a stacktrace in human readable form to Stream. |  |
| prolog_stack_frame_property/2 | True when Property is a property of Frame. |  |
| stack_guard/1 | Dynamic multifile hook that is normally not defined. |  |
| stack_guard/1 | Dynamic multifile predicate. |  |
prolog_trace.pl -- Print access to predicates |
prolog_versions.pl -- Demand specific (Prolog) versions |
prolog_xref.pl -- Prolog cross-referencer data collection |
pure_input.pl |
| lazy_list_character_count/3 | True when CharCount is the current character count in the Lazy list. |  |
| lazy_list_location/3 | Determine current (error) location in a lazy list. |  |
| phrase_from_file/2 | Process the content of File using the DCG rule Grammar. |  |
| phrase_from_file/3 | As phrase_from_file/2, providing additional Options. |  |
| phrase_from_stream/2 | Run Grammer against the character codes on Stream. |  |
| stream_to_lazy_list/2 | Create a lazy list representing the character codes in Stream. |  |
| syntax_error/3 | Throw the syntax error Error at the current location of the input. |  |
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 -- Random numbers |
rbtrees.pl -- Red black trees |
readln.pl |
readutil.pl -- Read utilities |
record.pl -- Access compound arguments by name |
rwlocks.pl -- Read/write locks |
sandbox.pl |
| sandbox_allowed_directive/1 | Throws an exception if G is not considered a safe directive. |  |
| sandbox_allowed_expansion/1 | Throws an exception if G is not considered a safe expansion goal. |  |
| sandbox_allowed_goal/1 | Throw an exception if it is not safe to call G. |  |
| format_calls/3 | Find ~@ calls from Format and Args. |  |
| safe_call/1 | Call Goal if it complies with the sandboxing rules. |  |
| safe_directive/1 | Hook to declare additional directives as safe. |  |
| safe_global_variable/1 | Declare the given global variable safe to write to. |  |
| safe_goal/1 | True if calling Goal provides no security risc. |  |
| safe_meta/2 | Hook. |  |
| safe_primitive/1 | True if Goal is safe to call (i.e., cannot access dangerous system-resources and cannot upset other parts of the Prolog process). |  |
| safe_prolog_flag/2 | True if it is safe to set the flag Flag to Value. |  |
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 |
| call_nth/2 | True when Goal succeeded for the Nth time. |  |
| distinct/1 | True if Goal is true and no previous solution of Goal bound Witness to the same value. |  |
| distinct/2 | True if Goal is true and no previous solution of Goal bound Witness to the same value. |  |
| group_by/4 | Group bindings of Template that have the same value for By. |  |
| limit/2 | Limit the number of solutions. |  |
| offset/2 | Ignore the first Count solutions. |  |
| order_by/2 | Order solutions according to Spec. |  |
| reduced/1 | Similar to distinct/1, but does not guarantee unique results in return for using a limited amount of memory. |  |
| reduced/3 | Similar to distinct/1, but does not guarantee unique results in return for using a limited amount of memory. |  |
sort.pl |
statistics.pl -- Get information about resource usage |
streams.pl |
| with_output_to/3 | Run Goal and once/1 while capturing all output to all streams (current_output, user_output and user_error) in the string Output. |  |
strings.pl -- String utilities |
system.pl -- System utilities |
tables.pl |
| abolish_table_call/1 | Same as abolish_table_subgoals/1. |  |
| abolish_table_call/2 | Same as abolish_table_subgoals/1. |  |
| abolish_table_pred/1 | Invalidates all tabled subgoals for the predicate denoted by the predicate or term indicator Pred. |  |
| abolish_table_subgoals/2 | Behaves as abolish_table_subgoals/1, but allows the default table_gc_action to be over-ridden with a flag, which can be either abolish_tables_transitively or abolish_tables_singly. |  |
| get_call/3 | True when Trie is an answer trie for a variant of CallTerm. |  |
| get_calls/3 | True when Trie is an answer trie for a variant that unifies with CallTerm and Skeleton is the answer skeleton. |  |
| get_residual/2 | True if CallTerm appears in a table and has DelayList. |  |
| get_returns/2 | True when Return is an answer template for the AnswerTrie. |  |
| get_returns/3 | True when Return is an answer template for the AnswerTrie and the answer is represented by the trie node NodeID. |  |
| get_returns_and_dls/3 | True when Return appears in AnswerTrie with the given DelayLists. |  |
| get_returns_and_tvs/3 | Identical to get_returns/2, but also obtains the truth value of a given answer, setting TruthValue to t if the answer is unconditional and to u if it is conditional. |  |
| get_returns_for_call/2 | True if AnswerTerm appears in the tables for the variant CallTerm. |  |
| set_pil_off/0 | Dummy predicates for XSB compatibility. |  |
| set_pil_on/0 | Dummy predicates for XSB compatibility. |  |
| t not/1 | Tabled negation. |  |
| tfindall/3 | This predicate emerged in XSB in an attempt to provide a safer alternative to findall/3. |  |
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 |
| attach_console/0 | Create a new console and make the standard Prolog streams point to it. |  |
| attach_console/1 | Create a new console and make the standard Prolog streams point to it. |  |
| join_threads/0 | Join all terminated threads. |  |
| tbacktrace/1 | Print a backtrace for Thread to the stream user_error of the calling thread. |  |
| tbacktrace/2 | Print a backtrace for Thread to the stream user_error of the calling thread. |  |
| tdebug/0 | Enable debug-mode, trapping the graphical debugger on reaching spy-points or errors. |  |
| tdebug/1 | Enable debug-mode, trapping the graphical debugger on reaching spy-points or errors. |  |
| thread_has_console/0 | True when the calling thread has an attached console. |  |
| threads/0 | List currently known threads with their status. |  |
| tnodebug/0 | Disable debug-mode in all threads or the specified Thread. |  |
| tnodebug/1 | Disable debug-mode in all threads or the specified Thread. |  |
| tprofile/1 | Profile the operation of Thread until the user hits a key. |  |
| tspy/1 | Trap the graphical debugger on reaching Spec in the specified or any thread. |  |
| tspy/2 | Trap the graphical debugger on reaching Spec in the specified or any thread. |  |
| with_stopped_threads/2 | Stop all threads except the caller while running once(Goal). |  |
tty.pl |
| menu/3 | Show a menu. |  |
| tty_clear/0 | Clear the display. |  |
| tty_flash/0 | Give visual signal if possible, otherwise beep. |  |
ugraphs.pl -- Graph manipulation library |
url.pl -- Analysing and constructing URL |
utf8.pl |
| utf8_codes/3 | DCG translating between a Unicode code-list and its UTF-8 encoded byte-string. |  |
varnumbers.pl -- Utilities for numbered terms |
wfs.pl -- Well Founded Semantics interface |
when.pl -- Conditional coroutining |
writef.pl -- Old-style formatted write |
www_browser.pl |
| expand_url_path/2 | Expand URL specifications similar to absolute_file_name/3. |  |
| known_browser/2 | True if browser FileBaseName has a remote protocol compatible to Compatible. |  |
| www_open_url/1 | Open URL in running version of the users' browser or start a new browser. |  |
yall.pl |
| //2 | Shorthand for Free/[]>>Lambda. |  |
| //3 | Shorthand for Free/[]>>Lambda. |  |
| //4 | Shorthand for Free/[]>>Lambda. |  |
| //5 | Shorthand for Free/[]>>Lambda. |  |
| //6 | Shorthand for Free/[]>>Lambda. |  |
| //7 | Shorthand for Free/[]>>Lambda. |  |
| //8 | Shorthand for Free/[]>>Lambda. |  |
| //9 | Shorthand for Free/[]>>Lambda. |  |
| >>/2 | Calls a copy of Lambda. |  |
| >>/3 | Calls a copy of Lambda. |  |
| >>/4 | Calls a copy of Lambda. |  |
| >>/5 | Calls a copy of Lambda. |  |
| >>/6 | Calls a copy of Lambda. |  |
| >>/7 | Calls a copy of Lambda. |  |
| >>/8 | Calls a copy of Lambda. |  |
| >>/9 | Calls a copy of Lambda. |  |
| is_lambda/1 | True if Term is a valid Lambda expression. |  |
| lambda_calls/2 | Goal is the goal called if call/N is applied to LambdaExpression, where ExtraArgs are the additional arguments to call/N. |  |
| lambda_calls/3 | Goal is the goal called if call/N is applied to LambdaExpression, where ExtraArgs are the additional arguments to call/N. |  |
zip.pl |
| with_zipper/2 | Run Goal while holding ownership over Zipper. |  |
| zip_close/1 | Close a zipper. |  |
| zip_close/2 | Close a zipper. |  |
| zip_open/4 | Create a Zipper, providing access to File. |  |
| zipper_file_info/3 | Obtain information about the current zip entry. |  |
| zipper_goto/2 | Seek Zipper to a specified entry. | |
| zipper_members/2 | True when Members is the list of file names in the Zipper. |  |
| zipper_open_current/3 | Open the current entry as an input stream. | |