THF Problems
Problem Sources
- Chris Benzmüller's collections
- Chad Brown's Landau collection
- Deepak Garg's security work
- Chad Brown's encoding of Ramsey number problems
- Export from DeTSeT
- Export from TPS library
- Juttings' AUTOMATH encoding of Landau
- Ted Sider's modal logic problems
- Translation of ILTP problems
Problem Domains
- Logical cacluli (107 problems)
- Set theory (1407 problems)
- Graph theory (93 problems)
- General algebra (80 problems)
- Group theory (1 problem)
- Number theory (212 problems)
- Computing theory (1 problem)
- Software verification (37 problems)
- Puzzles (51 problems)
- Syntactic (738 problems)
- Miscellaneous (2 problems)
Release Schedule
- TPTP v3.6.0 - THF0 alpha - Christmas 2008 (281 problems)
- TPTP v3.7.0 - THF0 beta - March 2009 (1275 problems)
- TPTP v4.0.0 - THF0 public - August 2009 (2729 problems)
- CASC THF division at CADE-22 - August 2009
Browsing available online at
tptp.org