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ENTCS
2006
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13 years 11 months ago
Hiproofs: A Hierarchical Notion of Proof Tree
Motivated by the concerns of theorem-proving, we generalise the notion of proof tree to that of hierarchical proof tree. Hierarchical trees extend ordinary trees by adding partial...
Ewen Denney, John Power, Konstantinos Tourlas
AISC
2008
Springer
14 years 1 months ago
A Tactic Language for Hiproofs
Abstract. We introduce and study a tactic language, Hitac, for constructing hierarchical proofs, known as hiproofs. The idea of hiproofs is to superimpose a labelled hierarchical n...
David Aspinall, Ewen Denney, Christoph Lüth
CADE
2009
Springer
15 years 2 days ago
Ground Interpolation for Combined Theories
Abstract. We give a method for modular generation of ground interpolants in modern SMT solvers supporting multiple theories. Our method uses a novel algorithm to modify the proof t...
Amit Goel, Sava Krstic, Cesare Tinelli