Previous versions of *Thema* are still available 1.3 1.2 1.1 1.0.

Browse the *Thema* subject categories hierarchy, or search for a specific term within the hierarchy.

Notation | Category heading | Add | Mod | ? |
---|---|---|---|---|

P | Mathematics and Science Use all P* codes for: mostly academic, technical and specialist titles and some general adult works. Qualifiers are mostly not required with P* codes. DO NOT USE: code ‘P’ itself, but select specific categories from section P*. Prefer: WN* codes for general interest adult titles where appropriate |
1.4 | ✽ | |

PB | Mathematics | |||

PBB | Philosophy of mathematics | |||

PBC | Mathematical foundations | |||

PBD | Discrete mathematics Class here: finite mathematics |
✽ | ||

PBF | Algebra | |||

PBG | Groups and group theory | |||

PBH | Number theory | |||

PBJ | Pre-calculus | |||

PBK | Calculus and mathematical analysis | |||

PBM | Geometry | |||

PBP | Topology | |||

PBT | Probability and statistics | |||

PBU | Optimization | |||

PBV | Combinatorics and graph theory | |||

PBW | Applied mathematics See also: PDE Maths for scientists, TBJ Maths for engineers, UYAM Maths for computer scientists |
✽ | ||

PBX | History of mathematics |

version detail

- An ellipsis indicates a category has more detailed subcategories
- Click on a category description to reveal these ‘descendant’ subcategories
- Indentation indicates the ancestors and descendants of a category
- Click on the ✽ or ? to see or hide the usage notes
- Search for categories (for example ‘celebrity’) using the search field at the top
- Searches are not case-sensitive, and search both the category headings and any notes
- You don’t need to use complete words (
*eg*‘celeb’) - You can also search for
*Thema*codes – these searches must be exact (*eg*‘MFGV’)

- Click on a search result category to see it ‘in context’ with its ancestor and descendant categories
- A click on ‘Category heading’ or a blank search returns you to the top level of the hierarchy
- Click on the notation to copy the code to the clipboard