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WM formulated the question :Le 29/07/2024 à 02:04, Moebius a écrit :Am 27.07.2024 um 19:34 schrieb Jim Burns:>sci.logic and sci.math
On 7/26/2024 12:31 PM, WM wrote:
_The rule of subset_
Where did Mückenheim get this "rule" from? Any source?
Logic! If A contains all elements of B, but B does not contain all elements
of A, then A has more elements than B.
Have you reviewed 'Cardinal Arithmetic' lately? I know it has been
pointed out to you several times. The aforementioned does not work for
infinite sets. Addition like this simply doesn't affect the 'size' of
the set if the set is infinite.
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