Presentation 1996/5/24
Semi-optimal orders of goals in PTTP-type theorem prover
Mitsutake FUJIHIRA, Kouji IWANUMA,
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Abstract(in English) In general, the search order is quite important for sequential theorem Provers to find a proof quickly. As for PTTP-based theorem provers, the order of goals to be solved determines the order of search operations, and thus determines the total size of search space. In this paper, we study the semi-optimal orders of goals for a PTTP-based theorem prover throughout experiments. In preprocessing phase, we reorder goals by a criterion using the result of an estimation of cost for finding a proof of every goal. We propose several criteria for ordering goals, and evaluate them with experimental results. We also compares our results with other famous provers OTTER and SETHEO.
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Keyword(in English) PTTP / Depth-first iterative-deepening / model elimination / reordering
Paper # AI96-3
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Committee AI
Conference Date 1996/5/24(1days)
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Registration To Artificial Intelligence and Knowledge-Based Processing (AI)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Semi-optimal orders of goals in PTTP-type theorem prover
Sub Title (in English)
Keyword(1) PTTP
Keyword(2) Depth-first iterative-deepening
Keyword(3) model elimination
Keyword(4) reordering
1st Author's Name Mitsutake FUJIHIRA
1st Author's Affiliation Department of Electrical Engineering and Computer Science, Faculty of Engineering, Yamanashi University()
2nd Author's Name Kouji IWANUMA
2nd Author's Affiliation Department of Electrical Engineering and Computer Science, Faculty of Engineering, Yamanashi University
Date 1996/5/24
Paper # AI96-3
Volume (vol) vol.96
Number (no) 77
Page pp.pp.-
#Pages 8
Date of Issue