the.com/fact

A fact is what survives after everyone stops believing it.

means A fact is a thing that is true and can be verified — something that actually happened or genuinely exists, regardless of opinion.

from From Latin 'factum,' meaning 'a thing done' — the neuter past participle of 'facere,' 'to do' or 'to make,' a root that also gives us 'factory,' 'manufacture,' and 'fashion.' When 'fact' entered English in the 16th century it still carried that hands-on sense of a deed performed; only later did it cool from 'something done' into 'something true.' The fingerprint of the old meaning survives in legal phrases like 'after the fact' — literally, after the deed.

latin root
From factum, meaning a thing done or made.
legal weight
Courts separate questions of fact from questions of law.
once wrong
Doctors once called handwashing a discredited fringe idea.
half-life
Knowledge decays; many medical facts expire within 45 years.
for instance

apollo 11 moon landing — neil armstrong and buzz aldrin walked on the moon on july 20, 1969

earth is round — demonstrated by satellite imagery since 1946 and confirmed by thousands of observations

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