1

There are two sentences;

  • The graph can not be decomposed into two cycles.
  • The graph can be decomposed into two paths.

When I combine them, which are correct?

  • The graph can not be decomposed into two cycles, but can be into two paths.
  • The graph can not be decomposed into two cycles, but can into two paths.
  • The graph can not be decomposed into two cycles, but two paths.

Thank you for reading my question.

closed as off-topic by anongoodnurse, user66974, curiousdannii, Chenmunka, jimm101 Nov 17 '16 at 17:39

This question appears to be off-topic. The users who voted to close gave these specific reasons:

  • "Proofreading questions are off-topic unless a specific source of concern in the text is clearly identified." – anongoodnurse, Community, jimm101
  • "Please include the research you've done, or consider if your question suits our English Language Learners site better. Questions that can be answered using commonly-available references are off-topic." – curiousdannii, Chenmunka
If this question can be reworded to fit the rules in the help center, please edit the question.

2

It would seem most natural to me to say "The graph can not be decomposed into two cycles, but can be into two paths." The second option is less explicit but implies the 'be' so seems acceptable. The last does not, I feel, clearly express the meaning. This reply is simply based on 60 years of speaking native English, I'll leave others to dissect the grammar!

  • 2
    I agree, although I'd probably say "The graph can be decomposed into two paths, but not into two cycles." – 0xFEE1DEAD Nov 16 '16 at 19:03
  • Thank you very much. Very concise and understandable answer!! good!! – Danny_Kim Nov 16 '16 at 19:10

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