Plural of single letter variables
Excuse me if I am on the wrong StackExchange site. I write about Physics in English and typeset that with LaTeX.
So I have a variable c, and there are two of them in the same expression. I want to say that the formula looks ill-defined because the same letter represents for two different things. How would I write the plural of the variable c? Those are my ideas:
From the APA Style blog I gather that “cs” is the way to do it, but I am not sure about this. What is the way to go?
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1 answer
I would say
as the two variables named c are not part of the same field.
Even if technically acceptable, any form of cs is hard to read. Italics applied to only one letter, especially a round one like c are hard to spot.
I changed "both" to "the two" because both invites the reader to consider two items as one, whereas here you want the reader to consider them separately.
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