January 13: Difference between revisions

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{{Daily Image/January 13}}
{{Daily Image/January 14}}


== Better Than News ==
== Better Than News ==


{{Better Than News/January 13}}
{{Better Than News/January 14}}


== Are You Sure ==
== Are You Sure ==


{{Are You Sure/January 13}}
{{Are You Sure/January 14}}


== On This Day in Fiction and Nonfiction ==
== On This Day in Fiction and Nonfiction ==


{{Selected anniversaries/January 13}}
{{Selected anniversaries/January 14}}


== Topic of the Day ==
== Topic of the Day ==


{{Daily Favorites/January 13}}
{{Daily Favorites/January 14}}

Revision as of 10:41, 1 February 2022

Better Than News

Are You Sure

• ... that mathematician Kurt Gödel's first incompleteness theorem states that for any self-consistent recursive axiomatic system powerful enough to describe the arithmetic of the natural numbers (for example Peano arithmetic), there are true propositions about the naturals that cannot be proved from the axioms?

• ... that "Asking for a Friend" is a song by the Rolling Stones?

• ... that mathematicians Hugo Steinhaus, because of his Jewish background, spent the Nazi occupation of Poland in hiding; and that he taught clandestine classes, higher education being forbidden for Poles under the German occupation?

On This Day in Fiction and Nonfiction

Topic of the Day

Kirk Douglas