This clever ambigram from Douglas Hofstadfter provides the answer:
Is light a wave or particle?
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Newton Excel Bach, not (just) an Excel Blog 
Is light a wave or particle?
Yes.
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jon – some might say no (it’s both).
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I was using the inclusive “or”.
If A or If B Then True
which includes the case
If A and If B Then True
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jon – can’t argue with that 🙂
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