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by yboris 2194 days ago
Sounds like a Gettier problem / Gettier case [0]

Example: Fake barn county. You're driving in a county and see lots of barns. You point to one and say "that's a barn". Unbeknownst to you, almost all the barns are not barns but are facades. By accident you actually are pointing at one of the few real barns.

[0] https://en.wikipedia.org/wiki/Gettier_problem