I don't want to be picky, but I do want to help uphold the consistency of terminology in the documentation, so:

`RACTuple`s don't really "wrap" their elements, not any more than `NSArray`s or `NSDictionary`s wrap theirs. It's more idiomatic to say "RACTuple of NSNumbers". Also, these operations are not applicable to any old `NSNumber`, so this should mention `BOOL`. What do you think of something like:

```objc
// Performs a boolean AND to reduce each RACTuple of boxed-BOOLs sent by the receiver.
//
// …describe asserts…
//
// Returns a signal of boxed-BOOL AND results.
```