-
Leopold Löwenheim [ˈle:o:pɔl̩d ˈlø:vɛnhaɪm] (26 June 1878 in
Krefeld – 5 May 1957 in Berlin) was a
German mathematician doing work in
mathematical logic...
-
mathematical logic, the
Löwenheim–Skolem
theorem is a
theorem on the
existence and
cardinality of models,
named after Leopold Löwenheim and
Thoralf Skolem...
-
could contain an
uncountable set. The
paradox arises from part of the
Löwenheim–Skolem theorem;
Thoralf Skolem was the
first to
discuss the seemingly...
-
mathematical logic the
Löwenheim number of an
abstract logic is the
smallest cardinal number for
which a weak
downward Löwenheim–Skolem
theorem holds....
-
theorems that make it
amenable to
analysis in
proof theory, such as the
Löwenheim–Skolem
theorem and the
compactness theorem. First-order
logic is the standard...
-
Frederick Lowenheim (August 8, 1869 –
November 14, 1929) was a German-born
American illustrator,
known for his front-page
magazine illustrations of The...
-
greatly simplified the
proof of a
theorem Leopold Löwenheim first proved in 1915,
resulting in the
Löwenheim–Skolem theorem,
which states that if a countable...
-
compactness theorem is one of the two key properties,
along with the
downward Löwenheim–Skolem theorem, that is used in Lindström's
theorem to
characterize first-order...
-
Another cornerstone of first-order
model theory is the
Löwenheim-Skolem theorem.
According to the
Löwenheim-Skolem Theorem,
every infinite structure in a countable...
- example, the
Löwenheim number of second-order
logic is
already larger than the
first measurable cardinal, if such a
cardinal exists. The
Löwenheim number of...
