Cosmic Hippo said:
Could you clarify the difference between tentativeness and mystery as it relates here? Is it just a difference in degree of confidence?
When we say "the earth is round" that is not 100% proven, even tho most people think it is. therfore the statement is tentative, altho not mysterious.
Science uses deductive logic. It does that because deductive logic is the only logic whose statements can be wider than the evidence that led to them. Let's take another example. Inductive logic: the sun rose the day before yesterday, it rose yesterday, it rose today, therefore it will rise tomorrow. That bit about tomorrow isn't valid.
Deductive logic: the sun rises every morning. It rose yesterday, it rose today, and it will rise tomorrow. Now, what happens is that the statement "the sun rises every morning" is a theory. Each day becomes a TEST of that theory. But that means that SOME morning the sun might not rise (it could go nova or be swallowed by a black hole, for example). So, we are always TENTATIVE about the statement, but it is hardly mysterious.
Thus, we accept as (provisionally) true that the earth is round, with the understanding that it is barely possible that someday we may find a better theory to describe the shape. But we are sure that we have falsified that the earth is flat. Whatever shape the earth may be, it will NEVER be flat.
When you say "mysterious", you mean forces that we cannot detect and aren't in the material universe. Tentativeness has nothing of that.
Clear now? Or did I confuse the issue more?