From Wikipedia - Reading time: 4 min
TPTP (Thousands of Problems for Theorem Provers)[1] is a freely available collection of problems for automated theorem proving. It is used to evaluate the efficacy of automated reasoning algorithms.[2][3][4] Problems are expressed in a simple text-based format for first order logic or higher-order logic.[5] TPTP is used as the source of some problems in CASC.
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