About dots!

[Lamrani]

Dear forum users,
can we have more than a dot in one line?

Please tell me if the following sentence is correct or wrong:

Now (1) can easily be derived. Let us now prove (2). Since it is trivial for...
it's from a Maths paper. I think the following is beter :

Now (1) can easily be derived.
Let us now prove (2). Since it is trivial for...

Thank you

[Beeesneees]

Do ou mean can you have more than one sentence ending in a full stop on a line?
That's certainly possible. There is nothing wrong with example 1 as it is given. Books run sentences together all the time. It's usual in writing. If you wish to write one sentence on each line for clarity in a maths exam that is permissible, but it is not necessary. If you were writing an essay and started a new line after every full stop you would lose marks.
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Cheers m' dears!

[Lamrani]

Ok, thank you very much.

[Davidgreenwood]

it is so ord to make two dots in one sentence

[Beeesneees]

You shouldn't have more than one full stop in a sentence. That would turn it into two sentences. You can, however, have more than one sentence on a line.
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Cheers m' dears!