15/04/18 08:21:02.61 LskGPWAB.net
>>123
余談だが、”The transcendence degree of R over Q is of continuum cardinality”は、Factで[Cohn91, Exercise 5.1(4)]だと。まあ、教養ですよ
URLリンク(www2.cs.uni-paderborn.de)
Real Computability and Hypercomputation Martin Ziegler December 20, 2007
P18
Fact 2.5.
b) The transcendence degree of R over Q is of continuum cardinality [Cohn91, Exercise 5.1(4)].
[Cohn91] P.M. Cohn: “Algebra” 2nd Edition vol.3 (1991).