Is certainty a requirement for truth? We know that certainty is not a requirement for knowledge, but how about for truth?
No; truth doesn't require
No; truth doesn't require certainty. Whether something is true is a matter of how things are, whether anyone is certain about it or even aware of it. For example: I have a file cabinet in my office with some papers in it. No one (certainly not me) is certain exactly how many pieces of paper are in the cabinet, though there's a truth of the matter. The truth is determined simply by what's in the cabinet, whether anyone knows or bothers to check. In the case of my file cabinet, it's at least possible to find out how many pieces of paper are in it, and so someone might suggest modifying the view you're asking about. Perhaps there's a truth about a matter only if it's at least possible for someone to become certain of it. And indeed, people have defended views like that. They go under the umbrella of verificationism . There are even some cases where something like verificationism is plausible. For example: we don't believe there's such a thing as absolute uniform (inertial) motion because our physics...
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