351 search results - page 15 / 71 » Classical proof forestry |
COMBINATORICS
2000
14 years 9 months ago
2000
Recently Zagier proved a remarkable q-series identity. We show that this identity can also be proved by modifying Franklin's classical proof of Euler's pentagonal number...
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TLCA
2001
Springer
15 years 2 months ago
2001
Springer
In this paper we introduce a cut-elimination procedure for classical logic, which is both strongly normalising and consisting of local proof transformations. Traditional cut-elimin...
BIRTHDAY
2006
Springer
15 years 1 months ago
2006
Springer
Sometimes it is pragmatically useful to prove a theorem by contradiction rather than finding a direct proof. Some reductio ad absurdum arguments have made mathematical history and ...
BSL
1999
14 years 9 months ago
1999
We consider a classical (propositional) version, CBI, of O'Hearn and Pym's logic of bunched implications (BI) from a model- and prooftheoretic perspective. We present a c...
CADE
1997
Springer
15 years 1 months ago
1997
Springer
We present a matrix characterization of logical validity in the multiplicative fragment of linear logic. On this basis we develop a matrix-based proof search procedure for this fra...