N.B. at 6:46 the picture is wrong: two of such subgroups do not intersect trivially, however the TOTAL intersection is trivial, so the argument given for the proof is valid.
Негізгі бет Galois extension with symmetric Galois group
N.B. at 6:46 the picture is wrong: two of such subgroups do not intersect trivially, however the TOTAL intersection is trivial, so the argument given for the proof is valid.
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