@article{20ed6eb0ea4a4cc49afae1555b4a67ff,
title = "Extendible cardinals and the mantle",
abstract = "The mantle is the intersection of all ground models of V. We show that if there exists an extendible cardinal then the mantle is the smallest ground model of V.",
keywords = "Extendible cardinal, Mantle, Set-theoretic geology",
author = "Toshimichi Usuba",
note = "Funding Information: This research was supported by JSPS KAKENHI grant Nos. 18K03403 and 18K03404.",
year = "2019",
month = feb,
day = "5",
doi = "10.1007/s00153-018-0625-4",
language = "English",
volume = "58",
pages = "71--75",
journal = "Archive for Mathematical Logic",
issn = "0933-5846",
publisher = "Springer New York",
number = "1-2",
}