Quote:
Originally Posted by Jellby
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Yes, this is exactly what I was going to say too. Partial Derivative:
- ∂ (U+2202) PARTIAL DIFFERENTIAL
If you give more context (like the sentence/paragraph), maybe we could guess a bit better.
Does it appear anywhere else in the book?
What language is the book?
Quote:
Originally Posted by Jellby
Whether or not that's what was intended, that's a different matter.
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Yeah, could be an actual typo, or a copy/paste error or something. Maybe they thought it was a little apostrophe and it slipped by the editor.
Quote:
Originally Posted by jhowell
It looks to me like text from an OCR that recognized the other letters in the word and just used the original image of the character for one it didn’t recognize. In that case it might be the letter “d”.
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Hmmm, this may also be the case too. An italic, lowercase "d", that accidentally got recognized.
If you're working on a mathematical text, that may be possible.