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Possible Duplicate:
Which is correct: “what if there was” or “what if there were”?
Correct usage of was/were on the object of a sentence
“Was” or “were” in subjunctive clauses

I have the following sentence in the draft of my latest paper:

No arbitrage would be introduced if the project were traded.

Is this version correct? Or should it be:

No arbitrage would be introduced if the project was traded.

What are the rules here?

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marked as duplicate by Matt E. Эллен, Brett Reynolds, RegDwigнt Mar 2 '12 at 13:08

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

IMHO, purists might prefer "were", but "was" should be fine.

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