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I have seen a few tips regarding the placement of periods before or after the closing parenthesis, but none of them solves my issue. A general rule of thumb-if the words inside the parentheses form a complete sentence, then period before closing it, otherwise period after closing it. However I am writing a sentence in the introduction part of a paper and the following options seem to be there
- <,> denote the generalised inner product (see Section IV).
- <,> denote the generalised inner product (see Section IV.)
- <,> denote the generalised inner product (see Section IV.).
Which one among them is correct? A double period seems superfluous while placing it either inside or outside seem not to do justice to the whole sentence. Are there different conventions for British, American or Australian systems?