http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Trình bày những vấn đề cơ bản nhất của lôgic đại cương, những cơ sở lí luận chung, phương pháp nhận thức khoa học, phương pháp chứng minh, phương pháp xác nhận giả thuyết,...