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Plato, in his dialogue the Parmenides, wrote that a number of the arguments of Zeno of Elea concerned this very issue, which he approached deviously by demonstrating the absurd consequences of the opposite assertion that the many are.
(Though its acceptability may be understandable, the notion that a wise Latina woman is better qualified to dispense justice than a white man is no less tragic or absurd than the opposite assertion).
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At the end of chapter 6, Aristotle concludes, "Let this, then suffice to show (1) that the firmest belief is that opposite assertions are not true at the same time, (2) what happens to those who speak in this way and (3) why people do speak in this way (Metaph IV 6 1011b13–15).
Since Łukasiewicz (1910), this ontological version of the principle has been recognized as distinct from, and for Aristotle arguably prior to, the logical formulation ("The opinion that opposite assertions are not simultaneously true is the firmest of all"—Met.
As with the second formulation, one might give a psychologistic interpretation, relating to what people actually do affirm and deny, but the idea that opposite assertions cannot be true at the same time suggests that this third version is better interpreted as a variant of the first formulation.
Rather, he seems to have specialised in the opposite: defiant assertions of blamelessness that have sometimes made both him and the BBC less popular.
As a logical principle, the PC is about opposite assertions.
The third version is that "opposite assertions cannot be true at the same time" (Metaph IV 6 1011b13–20).
The Bush changes actually raised the total tax for many people, the opposite of Mr. Bush's assertion that he wanted to get rid of what he called the "death tax".
Some "conducive" yes/no questions are treated by recipients as conveying an assertion of the opposite polarity to that of the grammatical form of the question.
I propose a way of deriving the interpretation of rhetorical questions and address why rhetorical questions have the interpretation of an assertion of the opposite polarity.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com