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Scalable Fine-Grained Proofs for Formula Processing
Abstract : We present a framework for processing formulas in automatic theorem provers, with generation of detailed proofs. The main components are a generic contextual recursion algorithm and an extensible set of inference rules. Clausification, skolemization, theory-specific simplifications, and expansion of 'let' expressions are instances of this framework. With suitable data structures, proof generation adds only a linear-time overhead, and proofs can be checked in linear time. We implemented the approach in the SMT solver veriT. This allowed us to dramatically simplify the code base while increasing the number of problems for which detailed proofs can be produced, which is important for independent checking and reconstruction in proof assistants.
Cited literature [40 references]
https://hal.inria.fr/hal-01526841
Contributor : Haniel Barbosa Connect in order to contact the contributor
Submitted on : Tuesday, May 23, 2017 - 3:42:40 PM
Last modification on : Wednesday, November 3, 2021 - 7:09:19 AM
Long-term archiving on: : Monday, August 28, 2017 - 5:51:13 PM
Contributor : Haniel Barbosa Connect in order to contact the contributor
Submitted on : Tuesday, May 23, 2017 - 3:42:40 PM
Last modification on : Wednesday, November 3, 2021 - 7:09:19 AM
Long-term archiving on: : Monday, August 28, 2017 - 5:51:13 PM
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