An aperiodic monotile exists!
Actual aperiodicity news on The Aperiodical! This is probably the biggest aperiodicity news we’ll ever cover here: David Smith, Joseph Samuel Myers, Craig S. Kaplan, and Chaim Goodman-Strauss…
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Measure problem (cosmology) - Wikipedia
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Mere addition paradox - Wikipedia
Repugnant conclusion.
Utilitarianism.