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cousin_it comments on A note on the description complexity of physical theories - Less Wrong
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Never mind usefulness, it seems to me that "Evolution by natural selection occurs" and "God made the world and everything in it, but did so in such a way as to make it look exactly as if evolution by natural selection occured" are not the same hypothesis, that one of them is true and one of them is false, that it is simplicity that leads us to say which is which, and that we do, indeed, prefer the simpler of two theories that make the same predictions, rather than calling them the same theory.
While my post was pretty misguided (I even wrote an apology for it), your comment looks even more misguided to me. In effect, you're saying that between Lagrangian and Hamiltonian mechanics, at most one can be "true". And you're also saying that which of them is "true" depends on the programming language we use to encode them. Are you sure you want to go there?
We may even be able to observe which one. Actually, I am pretty sure that if I looked closely at QM and these two formulations, I would go with Hamiltonian mechanics.
Ah, but which Hamiltonian mechanics is the true one: the one that says real numbers are infinite binary expansions, or the one that says real numbers are Dedekind cuts? I dunno, your way of thinking makes me queasy.