{"subjects": ["Mathematics", "Philosophy", "Symbolic and mathematical Logic", "Logic, symbolic and mathematical", "Mathematics, philosophy"], "key": "/works/OL5959469W", "title": "Mathematical logic", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL1478710A"}}], "type": {"key": "/type/work"}, "covers": [313665], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-10T18:15:26.350085"}, "last_modified": {"type": "/type/datetime", "value": "2022-06-17T03:20:27.696959"}}