PP-2007-02: Vosmaer, Jacob (2007) Essentially Sigma-1 formulae in Sigma L. [Report]
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Abstract
The essentially $\Sigma_1$ formulae of $\Sigma$L are exactly those
which are provably equivalent to a disjunction of conjunctions of
$\Box$ and $\Sigma_1$ formulae.
| Item Type: | Report |
|---|---|
| Report Nr: | PP-2007-02 |
| Series Name: | Prepublication (PP) Series |
| Year: | 2007 |
| Uncontrolled Keywords: | provability logic; interpretability logic |
| Subjects: | Logic |
| Date Deposited: | 12 Oct 2016 14:36 |
| Last Modified: | 12 Oct 2016 14:36 |
| URI: | https://eprints.illc.uva.nl/id/eprint/236 |
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