We assume things that go beyond physics all the time as convenient tools to figure out and understand this world. Most of our ideas, theories and models even in science have aspect that go beyond physics. For example:
1. Principles of logic - the universe may not actually be logical, how do you know?
2. Principles of non-contradiction - (case of 1.) not A and A can't be both true at the same time. May be they are?
3. Nature is not capricious - Maybe nature doesn't ultimately follow any laws
4. etc...
Science (certainly Physics) 'grabs' hold of useful ideas for the purposes of generating testable predictions. Some may test out, others may not, and those ideas which produce predictions which don't test out, are (mostly) discarded .. meaning they then don't form the basis of Physics' Objective Reality but more specifically: they don't exist within
that particular Objective Physics
context. This also doesn't necessarily mean that their existence as possibilities in other related fields of study, is
necessarily ruled out. Examples of this might be found in notions 'ejected' from Classical Physics re-appearing in Quantum Physics.
The three examples you give above, I would classify as being philosophical principles of rational thinking. They should be keep distinct from Physics, as their inclusion also allows for the inclusion of the existence of absolute truths (which themselves, are objectively untestable). They may
appear in untested models, but even in the scenario where those models eventually 'test out', (ie: predictions verified), those three notions, themselves, never get objectively tested .. they are, after all,
axioms. They are included for the purposes of contributing to the consistency of the hypothesis under test .. and that is all.
Bertrand Russell White said:
I would suggest you learn a little bit more about philosophy, philosophy of mathematics and Science before you are so quick to just glibly dismiss areas of philosophy and some of its areas out of turn. Science is built on philosophy and mathematics. Specifically, Physics is built on philosophy and mathematics, chemistry on physics and biology on chemistry/physics. Biology and geology are way down on the hierarchy of science.
From an historical perspective, science may have
started out being based on philosophical notions, but I think science, nowadays, stands as a distinctly 'aloof' mode of thinking from its initial philosophical 'foundations', largely due to the vast abundance of objective data which is only just beginning to distinguish the influence our thinking has on our own perceptions .. (and thence, on what we have
'the universe' mean for us).
At some point, complex fields (like science), become less related to their initial starting points and take on a life of their own, and in the case of science; whilst maintaining a clear focus on the distinctions of the numerous modes of human thinking, which it can then use to go on in making practical predictions about the behaviours of what we call:
'the universe/nature/environment' ..
AI for instance, is demonstrably capable of making non-human-like predictions and acting on them .. and I think the leading edges of science might be at that same point(?) (IMHO).