giles 5a83f4ef51 Set predicates: foldl/4, list_to_set/2, intersection/3, subtract/3, union/3 ...

Adds 5 new built-in predicates to the Prolog runtime with 15 tests.
390 → 405 tests across 20 suites (all passing).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-04-25 12:22:03 +00:00

..

programs

prolog: family.pl + family.sx, 10 tests; 5/5 classic programs done

2026-04-25 05:52:28 +00:00

atoms.sx

String/atom predicates: var/nonvar/atom/number/compound/callable/atomic/is_list + atom_length/atom_concat/atom_chars/atom_codes/char_code/number_codes/number_chars

2026-04-25 09:27:08 +00:00

clausedb.sx

prolog: clause DB + loader (functor/arity → clauses), 14 tests green

2026-04-24 23:59:46 +00:00

dynamic.sx

prolog: assert/asserta/assertz/retract for facts, 11 tests

2026-04-25 07:32:09 +00:00

findall.sx

prolog: findall/3 + bagof/3 + setof/3, 11 tests

2026-04-25 08:06:35 +00:00

iso_predicates.sx

ISO predicates: succ/2 + plus/3 + between/3 + length/2 + last/2 + nth0/3 + nth1/3 + max/min arith (+29 tests, 317 total)

2026-04-25 10:31:28 +00:00

list_predicates.sx

List/utility predicates: ==/2, \==/2, flatten/2, numlist/3, atomic_list_concat/2,3, sum_list/2, max_list/2, min_list/2, delete/3

2026-04-25 11:37:52 +00:00

meta_call.sx

Meta-call predicates: forall/2, maplist/2, maplist/3, include/3, exclude/3

2026-04-25 11:59:35 +00:00

meta_predicates.sx

Meta/logic predicates: \\+/not/once/ignore/ground/sort/msort/atom_number/number_string (+25 tests, 342 total)

2026-04-25 11:06:10 +00:00

operators.sx

prolog: operator-table parser + < > =< >= built-ins, 19 tests

2026-04-25 06:57:48 +00:00

parse.sx

Recover agent-loop progress: lua/prolog/forth/erlang/haskell phases 1-2

2026-04-24 16:03:00 +00:00

query_api.sx

prolog-query SX API: pl-load + pl-query-all + pl-query-one + pl-query (+16 tests)

2026-04-25 09:58:56 +00:00

set_predicates.sx

Set predicates: foldl/4, list_to_set/2, intersection/3, subtract/3, union/3

2026-04-25 12:22:03 +00:00

solve.sx

prolog: is/2 arithmetic with + - * / mod abs, 11 tests

2026-04-25 03:27:56 +00:00

term_inspect.sx

prolog: copy_term/2 + functor/3 + arg/3, 14 tests; =.. deferred

2026-04-25 08:39:32 +00:00

unify.sx

Recover agent-loop progress: lua/prolog/forth/erlang/haskell phases 1-2

2026-04-24 16:03:00 +00:00