These statements would seem to admit the obvious: that an app store is a store that sells apps. Apple, however, argues the opposite. "Apple denies that, based on their common meaning, the words 'app store' together denote a store for apps," the filing reads.

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About what other possible meaning the words "app store" might have, the Cupertinian oracle is silent.

What's more, the filing contends: "Apple further denies that Amazon and Apple operated 'app stores'." The legal reasoning here appears to be pretzellian in the extreme: since an app store is not a store for apps, Apple's App Store and Amazon's Appstore are not app stores, but an App Store and an Appstore – and the Appstore is violating Apple's trademark on App Store.