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  1. #1
    vcolts is offline Member
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    Default Co-ordinating conjunction OR

    I see that OR can be omitted with items in a series:

    Ex:
    You can choose from grey, blue, or red.
    You can choose to play, study, or sleep.

    However, I see cases where or is used multiple times

    Ex. 1: You must take EN100 or 125, or EN200, or EN250 before taking this course.

    In the case above, should the OR be used multiple times like that? Or can it be used only once like the following?

    Ex. 2: You must take EN100, EN125, EN200, or EN250 before taking this course.

    Ex. 1 and 2 mean the same thing and gramatically correct?


    Thanks in advance.

  2. #2
    freezeframe is offline Key Member
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    Default Re: Co-ordinating conjunction OR

    Quote Originally Posted by vcolts View Post
    I see that OR can be omitted with items in a series:

    Ex:
    You can choose from grey, blue, or red.
    You can choose to play, study, or sleep.

    However, I see cases where or is used multiple times

    Ex. 1: You must take EN100 or 125, or EN200, or EN250 before taking this course.

    In the case above, should the OR be used multiple times like that? Or can it be used only once like the following?

    Ex. 2: You must take EN100, EN125, EN200, or EN250 before taking this course.

    Ex. 1 and 2 mean the same thing and gramatically correct?


    Thanks in advance.
    Ex. 2 is ambiguous. Do they have to take all 3 of EN100, EN125, EN200:

    You must take (EN100, EN125, EN200) or EN250 before taking this course.

    or

    You must take one of the four: EN100, EN125, EN200, EN250.


    This ambiguity must be avoided, especially in something like instructions on choosing courses where the correct requirements must be met. Hence the repeated or.

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