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nLab > Latest Changes: cardinal arithmetic

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  1.  
    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeAug 6th 2018

    Somebody should add a word on categorification to this page (just a note in case anyone cares, maybe a note to myself, but right now I am on my phone…)

    diff, v2, current

    • CommentRowNumber2.
    • CommentAuthorTodd_Trimble
    • CommentTimeAug 9th 2018
    • (edited Aug 9th 2018)

    Wrote out a proof of idempotence of addition and multiplication (for infinite cardinals).

    diff, v5, current

1 to 2 of 2

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