Abstract | ||
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A minimal formula is a formula which is minimal in provable formulas with respect to the substitution relation. This paper shows the following: (1) A beta-normal proof of a minimal formula of depth 2 is unique in NJ. (2) There exists a minimal formula of depth 3 whose betaeta-normal proof is not unique in NJ. (3) There exists a minimal formula of depth 3 whose betaeta-normal proof is not unique in NK. |
Year | DOI | Venue |
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1993 | 10.2307/2275097 | JOURNAL OF SYMBOLIC LOGIC |
DocType | Volume | Issue |
Journal | 58 | 3 |
ISSN | Citations | PageRank |
0022-4812 | 1 | 0.46 |
References | Authors | |
2 | 1 |
Name | Order | Citations | PageRank |
---|---|---|---|
Makoto Tatsuta | 1 | 111 | 22.36 |