Which sentence is correct?
My project is dependent upon your project completing.
My project is dependent on your project completing.
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1See also: english.stackexchange.com/questions/8563/…. – Steve Melnikoff May 17 '11 at 11:51
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They are equivalent; upon is just a more formal term for on, and it is especially used in abstract senses.
The NOAD reports the following note about the usage of upon:
The preposition upon has the same core meaning as the preposition on. Upon is sometimes more formal than on, however, and is preferred in the phrases once upon a time and upon my word, and in uses such as row upon row of seats and Christmas is almost upon us.
answered May 16 '11 at 23:55
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answered May 17 '11 at 0:38
