2021-12-06T15:06:30Zhttps://tsukuba.repo.nii.ac.jp/oaioai:tsukuba.repo.nii.ac.jp:000162442021-03-02T00:55:05ZMinimal models of minimal theoriesIkeda, KoichiroThe algebraic closure Q of the rarional Q in the complex number field C is small in the following two sentens: (i) There is no proper elementary subfield K of Q, and (ii) every field which is elementarily equivalent to Q has a copy of Q in it. ...Institute of Mathematics, University of Tsukuba1993-12engdepartmental bulletin paperhttp://hdl.handle.net/2241/7308https://tsukuba.repo.nii.ac.jp/records/1624403874982AA00874643Tsukuba journal of mathematics172491496https://tsukuba.repo.nii.ac.jp/record/16244/files/14.pdfapplication/pdf423.3 kB2013-12-19