| Title: |
ON KURODA FORMULA. |
| Authors: |
SHEHTMAN, VALENTIN; SHKATOV, DMITRY; SKVORTSOV, DMITRIJ |
| Source: |
Journal of Applied Logics- IfCoLog Journal of Logics & their Applications (FLAP); Oct2025, Vol. 12 Issue 6, p1739-1756, 18p |
| Subject Terms: |
LOGIC; KRIPKE semantics |
| Abstract: |
We give some characterizations of the class of intuitionistic predicate Kripke frames validating the Kuroda formula. We, first, prove that the Kuroda formula does not define a class of frames definable by a classical first-order sentence and, second, establish a criterion for countable frames to validate this formula. [ABSTRACT FROM AUTHOR] |
| : |
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| Database: |
Complementary Index |