gnostic
The Lost One
But you can test whether if electricity exists or not without establishing a priori the existence of electricity
That’s not what “a priori” mean, leroy.
You have no idea what “a priori” mean because you are using wrongly.
It is only a priori, if you rely on reason alone, like deduction, rather than relying on observation, evidence and testing.
If you can observe the evidence, first, then reason what it is, and how it work. Then that’s not a priori.
Electricity have always exist.
It was a matter of discovery electricity, then to determine what it is, determine the source, and then to test it. And along the way, you could determine what applications electricity have, and that is usually accompanied with more tests.
People have known the existence of electricity, since ancient times (eg in ancient Egypt and Greece), because certain animals (eg eels, catfishes) or objects can give them electric shocks when touched. But they never understood what electricity is, and how to use electricity. Electric shocks have already been established this far back in history.
It wasn’t until in early modern times, from the 17th to the 19th centuries that different pioneering physicists have each contributed to our understanding electricity, including André-Marie Ampère and Hans Christian Ørsted in 1819–1820, and James Clerk Maxwell in 1861, who provided us with understanding of electromagnetism as a single phenomena of both electricity and magnetism.
The evidence for electricity have been known for millennia, but it was only in more recent history that we understood electricity, and how to produce electricity.
It isn’t a priori, if there have already been observations of electricity existence, before real tests (eg experiments) began.
A priori is deriving logical conclusion before observation or before evidence...or before testing.
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