
Are the following mentions coreferent?:
<m> unveiled </m> in With a 17-inch MacBook Pro update unveiled at today's Macworld 2009 keynote, Apple has finally brought an entire line of Mac portables into view. The largest member of the MacBook family now comes with a faster front-side bus and processor, Nvidia graphics, DisplayPort interconnect with HDCP content protection, LED-backlit glossy display, and all of it wrapped up inside Apple's unibody aluminum enclosure with glass trackpad. 
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<m> unveils </m> in Apple unveils cheaper Ivy Bridge - powered MacBook Air June 12, 2012 Apple has chosen WWDC week to announce an update to its MacBook Air line. It may lack the Retina display of its newly upgraded, headline - grabbing cousin, the MacBook Pro, but the 2012 Air sees significant advances too. An upgrade from Sandy Bridge to Ivy Bridge processors with improved integrated graphics is chief among the upgrades, and onboard memory has also received a boost. 