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seen Nov 12 '13 at 12:51

Feb
20
awarded  Scholar
Feb
20
awarded  Supporter
Feb
20
accepted Countable Field Extension of a Countable Field
Feb
20
comment Countable Field Extension of a Countable Field
No I didn't but I followed what you suggested and wrote something of a similar nature to your edit. Thanks for your help :) No doubt there will be further Galois Theory questions from me in the near future :)
Feb
18
awarded  Teacher
Feb
17
comment Countable Field Extension of a Countable Field
Fair enough. I suspect I am meant to go with the bijection route here. Thanks for your help
Feb
17
awarded  Editor
Feb
17
revised Countable Field Extension of a Countable Field
added 1 characters in body
Feb
17
comment Countable Field Extension of a Countable Field
Oh? What other ways are there?
Feb
17
awarded  Custodian
Feb
17
reviewed Approve suggested edit on Countable Field Extension of a Countable Field
Feb
17
comment Countable Field Extension of a Countable Field
Is your notation L/K the same as L:K? Also, I assume by the way you say it need not be injective that we do in fact need a bijective map for the countability?
Feb
17
awarded  Student
Feb
17
answered The possible number of zero entries in $n\times n$ matrix that would make the determinant non-zero
Feb
17
asked Countable Field Extension of a Countable Field