A common approach to clarifying antecedent basis when there are multiple instances of some thing is to use ordinals: a first X, a second X, and so on.
Does appending prepositional phrases accomplish the same thing?
- A system comprising a first X and a second X.
- The system of claim 1, wherein the first X is red.
- A system comprising an X on the Y and an X under the Y.
- The system of claim 1, wherein the X on the Y is red.
Readability aside, is Example B a valid way to approach antecedent basis?