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Vor 4 Tagen · The exact value of the continuum in the above Cohen model, and variants like (,) for cardinals in general, was worked out by Robert M. Solovay, who also worked out how to violate (the generalized continuum hypothesis), for regular cardinals only, a finite number of times.
Vor 5 Tagen · Paul Erdős (1913–1996) was a Hungarian mathematician. He considered mathematics to be a social activity and often collaborated on his papers, having 511 joint authors, many of whom also have their own collaborators. The Erdős number measures the "collaborative distance" between an author and Erdős.
13. Mai 2024 · Igor Gorbunov, Shkatov D. Chagrov and Zakharyaschev posed the problem of existence of extensions of Solovay’s system S, which is a non-normalizable quasi-normal modal logic, that do not admit deductively independent sets of axioms.
Vor einem Tag · Es ist der emotionalste Augenblick bei den D-Day-Feierlichkeiten: Ein US-Veteran im Rollstuhl umarmt den ukrainischen Präsidenten Wolodymyr Selenskyj. Für den hat die Befreiung eine besondere ...
30. Mai 2024 · Dancing for the Devil dives into 7M Films - a Los Angeles-based talent management company founded in 2021 by Robert Shinn - which faced serious allegations regarding the treatment of their talent. The allegations against 7M Films and Shinn include alienation, brainwashing, and mismanagement of finances.
Vor 3 Tagen · consists 183 communities including Stack Overflow, the largest, most trusted online community for developers learn, share their knowledge, and build their careers.
30. Mai 2024 · FASCINATION SEA – Begegnungen von Wissenschaft und Kunst zum Thema „Meer“. Offizielle Homepage von Dr. Robert Hofrichter - Buchautor, Fotograf, Biologe und Umweltschützer.
