{"first_publish_date": "2005", "lc_classifications": ["QA"], "key": "/works/OL13400260W", "title": "Classical mathematical logic", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL6289696A"}}], "type": {"key": "/type/work"}, "subjects": ["Logic, symbolic and mathematical", "Semantics (philosophy)"], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-11T09:28:11.022055"}, "last_modified": {"type": "/type/datetime", "value": "2024-08-17T08:13:09.543146"}}