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Originally Posted by tref
How do you know he didnt have definite knowledge?
So what if the clock didnt register tenths... he didnt put any tenths on there, just a second.
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There is a difference between precision and definite knowledge.
You can definitely know the time to whatever resolution is displayed on the clock...if you see it display 0:01, it was 0:01....or to whatever level you are comfortable with counting manually between the whistle and the horn.
If the tenths were necessarily relevant, what about hundredths or thousandths? The clock is internally counting to that precision even if it never displays it. Since you can't tell to the 1/1000th of a second, should we never put time back to the 1/10ths?