0
votes
1answer
57 views

Conjunction when one element contains another

I write a paper that defines a certain algorithm on geometric shapes. I have a sentence similar to the following: If the input to the algorithm is connected, convex or rectangular, then its output ...
0
votes
2answers
289 views

How is “so” used in this sentence?

I found this text in one of my reading. I wonder what the role of so in the text because I find it hard to translate into my language. Since I am a teacher of and consultant in engineering and ...
1
vote
1answer
123 views

Is it good style to factor out the common root word of two (or more) prefixed compound words?

I see sometimes in conjunciton or disjunction, the common root of two or more compound words are factored out, for example, "super- and sub-script" (maybe bad example, but it suffices to describe the ...
2
votes
2answers
79 views

Better way to express “X and [A and B] Y” than “X as well as A and B Y”? [duplicate]

Possible Duplicate: Overusing “and” and how to fix it I often need to express something along the lines of X and Y, where Y is two things, e.g. Cindy owns a boat and [both red and blue] ...
-1
votes
2answers
168 views

What is the best way to join 'and' and 'or' together?

What is the best way to join 'or' and 'and' together? 'or/and' or 'and/or'?
2
votes
4answers
2k views

How can you use “either… or” twice in a sentence?

I want to be able to say something like: There either needs to be X to do either Xa or Xb or there needs to be Y. (edit: since from some answers it doesn't seen to be clear, I mean that that Xa ...
3
votes
8answers
724 views

Commas around “and”

I'm at a loss as to how I should title this. I have this sentence: We have the option to provide notifications via telephone, and, possibly, email. I am trying to express several things: ...
3
votes
2answers
4k views

Comma after To at the beginning of a sentence

I am just writing my master thesis and I am unsure whether to place a comma in sentences starting with "To". Here are some examples: To be able to improve the performance[,] it is important to ...
7
votes
4answers
5k views

Is using “and/or” recommended for formal writing, or is it frowned upon?

Is using "and/or" allowed in formal writing? If not, is there general way to represent the OR binary operator with as little space as possible in written English?
21
votes
5answers
6k views

Using “And” at the beginning of a sentence

Since I first learned English, I have been holding this understanding that "and", as a conj. but unlike "but", can only connect two clauses, not two sentences ended with periods. But recently, I ...
23
votes
4answers
28k views

When to use & instead of “and”

Are there rules of usage when using the ampersand "&" instead of "and"? Are they completely interchangeable? The ampersand seems more casual, but I'm not sure.
8
votes
3answers
2k views

“So long as” vs. “as long as”

Which phrase is more formal — "so long as" or "as long as"? Example: So long as Google Voice allows free long distance in North America, I will use it. As long as Google Voice allows free ...
83
votes
15answers
42k views

Should I put a comma before the last item in a list?

Should I put a comma before last item in list? I would like crackers, cheese and some soda. I would like crackers, cheese, and some soda.