Who the hell ever remembers the subtle differences between all these? (Set Theory by Thomas Jech) Find it here: https://t.co/U14J4JX3uR https://t.co/TqyhB8eouu
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RT @TobyMeadows: Or read this to learn more of the basics of cardinal arithmetic; and then learn to use forcing to understand how incomplet…
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RT @TobyMeadows: Or read this to learn more of the basics of cardinal arithmetic; and then learn to use forcing to understand how incomplet…
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Or read this to learn more of the basics of cardinal arithmetic; and then learn to use forcing to understand how incomplete our story of the cardinals is. https://t.co/eJgLHWDNyu