2 · en
Short, simple sentences with “refutation”, suitable for children and primary/elementary school, with common expressions and related words. You'll also find examples for middle and high school.
In optics: the first telescopes, along with the definitive refutation of the idea that the eye sends out rays to detect things and instead receives information reflected from objects.
It is true that mistakes happen in the past, but only by definition, for indeed, no one knows that he or she is in error until the error is discovered. Hence, many statements that are currently taken to be true may be the target of future refutation.
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