Voytaszek What`s the difference between this two sentences? The second sentence is a bit more confident.
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VoytaszekWhat`s the difference between this two sentences?The second sentence is a bit more confident.
VoytaszekI couldn`t have seen him.It would not have been possible for me to see him. (I was blindfolded; he was hiding; etc.)
VoytaszekI can`t have seen him,It must be the case (logically) that I did not see him. / It is logically impossible to say that I saw him.