Where adaptations are particularly informative is in identifying "universal" design flaws, i.e., those elements lost or modified in both environments (parallel changes).
That's because they all suffer from an inherent, usually fatal flaw: universal remotes cannot possibly offer enough buttons to mimic all functions of all devices, so they usually have to make compromises, cutting out buttons here and there.
But, as Kripke points out, the usual SQML proof of CBF also depends essentially on an application of Necessitation to an open formula derived by universal instantiation — the same "flaw" that infects the proof of NE. (See the inference from line 1 to line 2 in the supplementary document Proof of the Converse Barcan Formula in S5).
Prof David Haslam, chairman of the National Obesity Forum, said: "As a clinician, treating patients all day every day, I quickly realised that guidelines from on high, suggesting high-carbohydrate, low-fat diets were the universal panacea, were deeply flawed.
Monkey has noticed a tiny flaw in NBC Universal's new "all-reality subscription video-on-demand" service Hayu.
In public statements, Universal has called the cases flawed and not appropriate for class treatment.
In Colorado there is a 2016 ballot measure, Amendment 69, that has the good intention of universal healthcare, but a serious policy flaw that it cannot fund abortion care as written.
What it was, however, was a logical assertion to preserve the earth because humanity might not be perfect, but it is our universal existence and even with its flaws, we claim it as our own.
But, for all its flaws, "the symbolism is pretty universal," Mr. Mugharbil said.
Ms. Olen writes that the "financial therapy movement," for all of its flaws, "has hit on one universal truth: When it comes to money, the vast majority of us are nuts.
