111 search results - page 8 / 23 » Definability in Logic and Rough Set Theory |
KR
2000
Springer
13 years 11 months ago
2000
Springer
When reasoning in description, modal or temporal logics it is often useful to consider axioms representing universal truths in the domain of discourse. Reasoning with respect to a...
FUIN
2010
13 years 4 months ago
2010
We study an extension of monadic second-order logic of order with the uncountability quantifier "there exist uncountably many sets". We prove that, over the class of fini...
CORR
2008
Springer
13 years 6 months ago
2008
Springer
In deduction modulo, a theory is not represented by a set of axioms but by a congruence on propositions modulo which the inference rules of standard deductive systems--such as for ...
20
Voted
MLQ
2006
13 years 7 months ago
2006
We define the concept of a logic frame, which extends the concept stract logic by adding the concept of a syntax and an axiom system. In a recursive logic frame the syntax and the...
IGPL
2008
13 years 7 months ago
2008
We propose here an extension of Rice's Theorem to first-order logic, proven by totally elementary means. If P is any property defined over the collection of all first-order t...