aggregate.pl -- Aggregation operators on backtrackable predicates |
ansi_term.pl -- Print decorated text to ANSI consoles |
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 -- Backward compatibility |
base32.pl -- Base32 encoding and decoding |
base64.pl |
| base64/2 | Equivalent to base64_encoded/3 using the options as(atom) and encoding(iso_latin_1). |  |
| base64/3 | Encode/decode list of character codes using base64. |  |
| base64_encoded/3 | General the base64 encoding and decoding. |  |
| base64_encoded/4 | |  |
| base64url/2 | Translates between plaintext and base64url encoded atom or string. |  |
| base64url/3 | Encode/decode list of character codes using Base64URL. |  |
broadcast.pl |
| broadcast/1 | Broadcast given event. |  |
| broadcast_request/1 | Broadcast given event till accepted. |  |
| listen/2 | Open a channel for listening for events of the given `Templ'. |  |
| listen/3 | Open a channel for listening for events of the given `Templ'. |  |
| listening/3 | returns currently open channels. |  |
| unlisten/1 | Destroy a channel. |  |
| unlisten/2 | Destroy a channel. |  |
| unlisten/3 | Destroy a channel. |  |
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 |
| format_to_codes/3 | Use format/2 to write to a list of character codes. |  |
| format_to_codes/4 | Use format/2 to write to a difference list of character codes. |  |
| open_codes_stream/2 | Open Codes as an input stream. |  |
| read_from_codes/2 | Read Codes into Term. |  |
| read_term_from_codes/3 | Read Codes into Term. |  |
| with_output_to_codes/2 | Run Goal with as once/1. |  |
| with_output_to_codes/3 | Run Goal with as once/1. |  |
| with_output_to_codes/4 | As with_output_to_codes/3, but Stream is unified with the temporary stream. |  |
| write_term_to_codes/3 | True when Codes is a string that matches the output of write_term/3 using Options. |  |
| write_term_to_codes/4 | True when Codes\Tail is a difference list containing the character codes that matches the output of write_term/3 using Options. |  |
| write_to_codes/2 | Codes is a list of character codes produced by write/1 on Term. |  |
| write_to_codes/3 | Codes is a difference-list of character codes produced by write/1 on Term. |  |
coinduction.pl |
| coinductive/1 | The declaration :- coinductive name/arity, ... defines predicates as coinductive. |  |
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 -- Editor interface |
error.pl |
exceptions.pl -- Exception classification |
explain.pl |
| explain/1 | Give an explanation on Term. |  |
| explain/2 | True when Explanation is an explanation of Term. |  |
fastrw.pl |
| fast_read/1 | The next term is read from current standard input and is unified with Term. |  |
| fast_write/1 | Output Term in a way that fast_read/1 and fast_read/2 will be able to read it back. |  |
| fast_write_to_string/3 | Perform a fast-write to the difference-slist String\Tail. |  |
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 and signal interface |
iostream.pl -- Utilities to deal with streams |
| close_any/1 | Execute the Close closure returned by open_any/5. |  |
| open_any/5 | Establish a stream from Specification that should be closed using Close, which can either be called or passed to close_any/1. |  |
lazy_lists.pl -- Lazy list handling |
listing.pl -- List programs and pretty print clauses |
| 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 |
| current_temporary_module/1 | True when we are executing in the given temporary module context. |  |
| in_temporary_module/3 | Run Goal on temporary loaded sources and discard the module and loaded predicates after completion. |  |
nb_set.pl -- Non-backtrackable sets |
occurs.pl |
| contains_term/2 | Succeeds if Sub is contained in Term (=, deterministically). |  |
| contains_var/2 | Succeeds if Sub is contained in Term (==, deterministically). |  |
| free_of_term/2 | Succeeds of Sub does not unify to any subterm of Term. |  |
| free_of_var/2 | Succeeds of Sub is not equal (==) to any subterm of Term. |  |
| occurrences_of_term/3 | Count the number of SubTerms in Term that unify with SubTerm. |  |
| occurrences_of_var/3 | Count the number of SubTerms in Term that are equal to SubTerm. |  |
| sub_term/2 | Generates (on backtracking) all subterms of Term. |  |
| sub_term_shared_variables/3 | If Sub is a sub term of Term, Vars is bound to the list of variables in Sub that also appear outside Sub in Term. |  |
| sub_var/2 | Generates (on backtracking) all subterms (==) of Term. |  |
operators.pl -- Manage operators |
option.pl -- Option list processing |
optparse.pl -- command line parsing |
ordsets.pl |
| is_ordset/1 | True if Term is an ordered set. |  |
| list_to_ord_set/2 | Transform a list into an ordered set. |  |
| ord_add_element/3 | Insert an element into the set. |  |
| ord_del_element/3 | Delete an element from an ordered set. |  |
| ord_disjoint/2 | True if Set1 and Set2 have no common elements. |  |
| ord_empty/1 | True when List is the empty ordered set. |  |
| ord_intersect/2 | True if both ordered sets have a non-empty intersection. |  |
| ord_intersect/3 | Intersection holds the common elements of Set1 and Set2. |  |
| ord_intersection/2 | Intersection of a powerset. |  |
| ord_intersection/3 | Intersection holds the common elements of Set1 and Set2. |  |
| ord_intersection/4 | Intersection and difference between two ordered sets. |  |
| ord_memberchk/2 | True if Element is a member of OrdSet, compared using ==. |  |
| ord_selectchk/3 | Selectchk/3, specialised for ordered sets. |  |
| ord_seteq/2 | True if Set1 and Set2 have the same elements. |  |
| ord_subset/2 | Is true if all elements of Sub are in Super. |  |
| ord_subtract/3 | Diff is the set holding all elements of InOSet that are not in NotInOSet. |  |
| ord_symdiff/3 | Is true when Difference is the symmetric difference of Set1 and Set2. |  |
| ord_union/2 | True if Union is the union of all elements in the superset SetOfSets. |  |
| ord_union/3 | Union is the union of Set1 and Set2. |  |
| ord_union/4 | True iff ord_union(Set1, Set2, Union) and ord_subtract(Set2, Set1, New). |  |
pairs.pl -- Operations on key-value lists |
persistency.pl |
| current_persistent_predicate/1 | True if PI is a predicate that provides access to the persistent database DB. |  |
| db_assert/1 | Assert Term into the database and record it for persistency. |  |
| db_attach/2 | Use File as persistent database for the calling module. |  |
| db_attached/1 | True if the context module attached to the persistent database File. |  |
| db_detach/0 | Detach persistency from the calling module and delete all persistent clauses from the Prolog database. |  |
| db_retract/1 | Retract terms from the database one-by-one. |  |
| db_retractall/1 | Retract all matching facts and do the same in the database. |  |
| db_sync/1 | Synchronise database with the associated file. |  |
| db_sync_all/1 | Sync all registered databases. |  |
| persistent/1 | Declare dynamic database terms. |  |
pio.pl -- Pure I/O |
portray_text.pl |
| portray_text/1 | Switch portraying on or off. |  |
| set_portray_text/2 | Set options for portraying. |  |
| set_portray_text/3 | Set options for portraying. |  |
pprint.pl -- Pretty Print Prolog terms |
predicate_options.pl -- Access and analyse predicate options |
prolog_autoload.pl -- Autoload all dependencies |
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 |
prolog_code.pl |
| body_term_calls/2 | True when BodyTerm calls Goal. |  |
| comma_list/2 | True if CommaList is a nested term over the ','/2 (';'/2) functor and List is a list expressing the elements of the conjunction. |  |
| extend_goal/3 | Extend the possibly qualified Goal0 with additional arguments from Extra. |  |
| head_name_arity/3 | Similar to functor/3, but deals with SWI-Prolog's zero-argument callable terms and avoids creating a non-callable term if Name is not an atom and Arity is zero. |  |
| is_control_goal/1 | True if Goal is a compiled Prolog control structure. |  |
| is_predicate_indicator/1 | True when Term is a predicate indicator. |  |
| mkconj/3 | Create a conjunction or disjunction from two terms. |  |
| mkdisj/3 | Create a conjunction or disjunction from two terms. |  |
| most_general_goal/2 | General is the most general version of Goal. |  |
| pi_head/2 | Translate between a PredicateIndicator and a Goal term. |  |
| predicate_label/2 | Create a human-readable label for the given predicate indicator. |  |
| predicate_sort_key/2 | Key is the (module-free) name of the predicate for sorting purposes. |  |
| semicolon_list/2 | True if CommaList is a nested term over the ','/2 (';'/2) functor and List is a list expressing the elements of the conjunction. |  |
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 |
| debug_control_hook/1 | Allow user-hooks in the Prolog debugger interaction. | |
| debugging/0 | Report current status of the debugger. |  |
| debugging_hook/1 | Multifile hook that is called as forall(debugging_hook(DebugMode), true) and that may be used to extend the information printed from other debugging libraries. |  |
| exception_hook/5 | Trap exceptions and consider whether or not to start the tracer. |  |
| nospy/1 | Set/clear spy-points. |  |
| nospyall/0 | Set/clear spy-points. |  |
| notrap/1 | Install a trap on error(Formal, Context) exceptions that unify. |  |
| spy/1 | Set/clear spy-points. |  |
| trap/1 | Install a trap on error(Formal, Context) exceptions that unify. |  |
| trap_alias/2 | Define short hands for commonly used exceptions. |  |
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_jiti.pl -- Just In Time Indexing (JITI) utilities |
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 -- A package manager for Prolog |
prolog_profile.pl -- Execution profiler |
prolog_source.pl |
| quasi_quotation_syntax/2 | True when the quasi quotation syntax Syntax can be loaded from Library. |  |
| xref_close_source/2 | Called by prolog_close_source/1 to close a source previously opened by the hook prolog:xref_open_source/2. |  |
| xref_open_source/2 | Hook to open an xref SourceID. |  |
| directory_source_files/3 | True when Files is a sorted list of Prolog source files in Dir. |  |
| file_alias_path/2 | True if file Alias points to Dir. |  |
| file_name_on_path/2 | True if OnPath a description of File based on the file search path. |  |
| load_quasi_quotation_syntax/2 | Import quasi quotation syntax Syntax from Path into the module specified by the first argument. |  |
| path_segments_atom/2 | Translate between a path represented as a/b/c and an atom representing the same path. |  |
| prolog_canonical_source/2 | Given a user-specification of a source, generate a unique and indexable identifier for it. |  |
| prolog_close_source/1 | Close a stream opened using prolog_open_source/2. |  |
| prolog_file_directives/3 | True when Directives is a list of directives that appear in the source file File. |  |
| prolog_open_source/2 | Open source with given canonical id (see prolog_canonical_source/2) and remove the #! |  |
| prolog_read_source_term/4 | Read a term from a Prolog source-file. |  |
| read_source_term_at_location/3 | Try to read a Prolog term form an arbitrary location inside a file. |  |
| requires_library/2 | known expansion hooks. |  |
| valid_term_position/2 | Check that a Term has an appropriate TermPos layout. |  |
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 -- Demand specific (Prolog) versions |
prolog_wrap.pl -- Wrapping predicates |
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. |  |
qsave.pl |
| arch_shlib/3 | This is a user defined hook called by qsave_program/2. |  |
| qsave_program/1 | Make a saved state in file `File'. |  |
| qsave_program/2 | Make a saved state in file `File'. |  |
| qsave_toplevel/0 | Called to handle `-c file` compilaton. |  |
quasi_quotations.pl -- Define Quasi Quotation syntax |
quintus.pl -- Quintus compatibility |
random.pl -- Random numbers |
rbtrees.pl -- Red black trees |
readutil.pl -- Read utilities |
record.pl -- Access compound arguments by name |
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 |
streams.pl -- Manage Prolog streams |
| 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 |
| dedent_lines/3 | Remove shared indentation for all lines in a string. |  |
| indent_lines/3 | Add Prefix to the beginning of lines in In. |  |
| indent_lines/4 | Similar to indent_lines/3, but only adds Prefix to lines for which call(Filter, Line) succeeds. |  |
| interpolate_string/4 | Establish a string from a template by replacing patterns. |  |
| string/4 | Implements the quasi quotation syntax string. |  |
| string_lines/2 | True when String represents Lines. |  |
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 |
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 |
| add_edges/3 | Unify NewGraph with a new graph obtained by adding the list of Edges to Graph. |  |
| add_vertices/3 | Unify NewGraph with a new graph obtained by adding the list of Vertices to Graph. |  |
| complement/2 | UGraphOut is a ugraph with an edge between all vertices that are not connected in UGraphIn and all edges from UGraphIn removed. |  |
| compose/3 | Compose NewGraph by connecting the drains of LeftGraph to the sources of RightGraph. |  |
| connect_ugraph/3 | Adds Start as an additional vertex that is connected to all vertices in UGraphIn. |  |
| del_edges/3 | Unify NewGraph with a new graph obtained by removing the list of Edges from Graph. |  |
| del_vertices/3 | Unify NewGraph with a new graph obtained by deleting the list of Vertices and all the edges that start from or go to a vertex in Vertices to the Graph. |  |
| edges/2 | Unify Edges with all edges appearing in Graph. |  |
| neighbors/3 | Neigbours is a sorted list of the neighbours of Vertex in Graph. |  |
| neighbours/3 | Neigbours is a sorted list of the neighbours of Vertex in Graph. |  |
| reachable/3 | True when Vertices is an ordered set of vertices reachable in UGraph, including Vertex. |  |
| top_sort/2 | Sort vertices topologically. |  |
| transitive_closure/2 | Generate the graph Closure as the transitive closure of Graph. |  |
| transpose_ugraph/2 | Unify NewGraph with a new graph obtained from Graph by replacing all edges of the form V1-V2 by edges of the form V2-V1. |  |
| ugraph_layers/2 | Sort vertices topologically. |  |
| ugraph_union/3 | NewGraph is the union of Graph1 and Graph2. |  |
| vertices/2 | Unify Vertices with all vertices appearing in Graph. |  |
| vertices_edges_to_ugraph/3 | Create a UGraph from Vertices and Edges. |  |
url.pl -- Analysing and constructing URL |
utf8.pl -- UTF-8 encoding/decoding on lists of character codes. |
varnumbers.pl -- Utilities for numbered terms |
wfs.pl |
| answer_residual/2 | True when Goal resolves to a tabled predicate and Residual is the residual goal associated with an answer for Goal. |  |
| call_delays/2 | True when Goal is true with Delays. |  |
| call_residual_program/2 | Call Goal and return the full residual program as a list of Clauses. |  |
| delays_residual_program/2 | Given a delay as returned by call_delays/2, produce a set of clauses the represents the complete residual program responsible for these delays, The program contains at least one loop through tnot/1 and is either inconsistent or has multiple models according to the stable model semantics. |  |
when.pl -- Conditional coroutining |
writef.pl -- Old-style formatted write |
www_browser.pl -- Open a URL in the users browser |
yall.pl -- Lambda expressions |
zip.pl -- Access resource ZIP archives |