Please clarify. The first thing that comes to mind is that the sequence of alphabetic characters “invalid” can be pronounced to indicate that it is a noun indicating a person who is differently abled and/or a corporation that is disabled … and that it can alternatively refer to an attempted deduction that fails to be valid, presumably because it is both unsound (in the technical sense that we fail to have the combination of all premises being true, and the reasoning itself valid) and also … (whatever extra element of meaning needs to be conjoined in the sense of “and” = binary connective of logic known as “conjunction” in US academic English, such as in “conjunction junction, what’s your function” (music) from educational television intellectual property that has been broadcast on US television.
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