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The last post is the WINNER!

sun rise

The world is on fire
Premium Member
I'm looking forward to the battle of the @Revoltingest s since there will be a different one in each universe. How will it take place, I wonder. Would a different universe's one claim the title by being, I don't know, acclaimed as revoltingest by executing anyone caught possessing bacon? Bacon lovers would agree that person is revoltingest.
 

sun rise

The world is on fire
Premium Member
winning without resorting to infinities
78c211ce8badf4ffbf9417ecceb0ef7ab0a8caed
is the cardinality of the set of all countable ordinal numbers, called ω 1 {\displaystyle \omega _{1}}
e20e29ac56d6cc52eaeb2f9c0bf79ef706428ddf
or sometimes Ω {\displaystyle \Omega }
24b0d5ca6f381068d756f6337c08e0af9d1eeb6f
. This ω 1 {\displaystyle \omega _{1}}
e20e29ac56d6cc52eaeb2f9c0bf79ef706428ddf
is itself an ordinal number larger than all countable ones, so it is an uncountable set. Therefore, ℵ 1 {\displaystyle \aleph _{1}}
78c211ce8badf4ffbf9417ecceb0ef7ab0a8caed
is distinct from ℵ 0 {\displaystyle \aleph _{0}}
721cd7f8c15a2e72ad162bdfa5baea8eef98aab1
. The definition of ℵ 1 {\displaystyle \aleph _{1}}
78c211ce8badf4ffbf9417ecceb0ef7ab0a8caed
implies (in ZF, Zermelo–Fraenkel set theory without the axiom of choice) that no cardinal number is between ℵ 0 {\displaystyle \aleph _{0}}
721cd7f8c15a2e72ad162bdfa5baea8eef98aab1
and ℵ 1 {\displaystyle \aleph _{1}}
78c211ce8badf4ffbf9417ecceb0ef7ab0a8caed
. If the axiom of choice is used, it can be further proved that the class of cardinal numbers is totally ordered, and thus ℵ 1 {\displaystyle \aleph _{1}}
78c211ce8badf4ffbf9417ecceb0ef7ab0a8caed
is the second-smallest infinite cardinal number. Using the axiom of choice we can show one of the most useful properties of the set ω 1 {\displaystyle \omega _{1}}
e20e29ac56d6cc52eaeb2f9c0bf79ef706428ddf
: any countable subset of ω 1 {\displaystyle \omega _{1}}
e20e29ac56d6cc52eaeb2f9c0bf79ef706428ddf
has an upper bound in ω 1 {\displaystyle \omega _{1}}
e20e29ac56d6cc52eaeb2f9c0bf79ef706428ddf
. (This follows from the fact that the union of a countable number of countable sets is itself countable, one of the most common applications of the axiom of choice.) This fact is analogous to the situation in ℵ 0 {\displaystyle \aleph _{0}}
721cd7f8c15a2e72ad162bdfa5baea8eef98aab1
: every finite set of natural numbers has a maximum which is also a natural number, and finite unions of finite sets are finite.
 

Revoltingest

Pragmatic Libertarian
Premium Member
I'm looking forward to the battle of the @Revoltingest s since there will be a different one in each universe. How will it take place, I wonder. Would a different universe's one claim the title by being, I don't know, acclaimed as revoltingest by executing anyone caught possessing bacon? Bacon lovers would agree that person is revoltingest.
I assume that all others in the revoltingverse are revoltingest.
 
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