[betty boop]

I'd also assert that, as a result of a test, we may conclude a thing is real only to discover by a subsequent test that it was merely an illusion.

Agreed, dear Alamo-Girl! I suppose this sort of thing can occur, depending on what other "undisclosed premises"/personal baggage got loaded into the first inquiry, right up-front.

Thanks so much for your excellent observation!

[Alamo-Girl]

I suppose this sort of thing can occur, depending on what other "undisclosed premises"/personal baggage got loaded into the first inquiry, right up-front.

So very true! Thank you for your encouragements!