Maybe proof should be used for that more modest concept. In the sense of “bullet proof.” Similar to a piece of armor with a bullet proof; the ding from where it

Maybe proof should be used for that more modest concept. In the sense of “bullet proof.” Similar to a piece of armor with a bullet proof; the ding from where it was shot for testing, a physics theory could be described as “microscope proof,” haha. We hit it with a bunch of microscopes and it didn’t fall apart.