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According to this often replicated study: ... users have trouble with Boolean operators because they often confuse AND with OR and vice versa. So you will likely want to avoid the simple words, and be fairly explicit. Maybe this will work: OR: *or if it includes...* AND: *only if it also includes...* NOT: *but not if it includes...* Something ...


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But .... I worry that sending us to that page is diverting us from your goal which appears to be getting people to understand a logical OR in a search will be more inclusive or "wider" ( the union of any sites or locations that have any of the terms is larger than either term alone). Contrast this with the results from the same terms or phrases connected ...


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It would depend to an extent on your target audience (Children?, Mathematicians?) AND - Must also include OR - May instead include NOT - Must not include


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Try this: AND - "all" OR - "at least one" NOT - "opposite" XOR - "any but not all" NAND - "not all" NOR - "nothing" XNOR - "all or nothing"


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"...at least two or more..." is a frequently used pleonasm. So are "...at least two, or more..." and "..., at least, two or more ...". Two or more or at least two are the non-redundant equivalent sub-phrases. However, a Google search for "at least two or more" can also yield this: But here's the catch---when you bring up Free Transform, at least two ...


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English is English. Not mathmatics or logic. However, some people allow mathmatics and logic to inform the way they use English. Others do not. English is all about usage. Adding negators (be they not or otherwise) can invert the meaning of and and or. In logic this is called Demorgan's law and can be expressed as: The negation of a conjunction is ...


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I had have the same Doubt and my conclusions were : (1) It Depends on the context (2) When somebody says "AND mean this, and OR means that", you should take it as "AND mean this for me in this context, and OR means that for me in this context". Consider Police warnings in Bangalore : "Do not Drink AND Drive". Here, for them, it means you should not do both ...


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Those are not negations. If you mean that there are no bacteria and no viruses then you use and (your first choice). If you mean that there are no bacteria or there are no viruses (and it is possible that there are neither) then you use or (your second choice. Likewise for your kicking and/or punching examples. And means both (both are prohibited, in this ...



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