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They really mean the same. What changed was the meaning of the word "proves" in English. When the saying was coined it meant "tests", not "confirms". People kep
by dboreham 5mo ago
They really mean the same. What changed was the meaning of the word "proves" in English. When the saying was coined it meant "tests", not "confirms". People kept saying the...saying even though they were using it backwards.
- girvo 5mo agoWhich is amusing because “proving grounds” is still using the old definition of “proves” :)