Perception cannot be a relationship between a conscious being and a material object that causes that being to have beliefs about that object.
Conclusion
Perception can't be a relationship between a conscious being and a material object that causes that being to have beliefs about that object.
Evidence
We have beliefs about many imperceptible material objects.
Evaluate
Wow! This is all-timer in terms of being intractable to read. We can make it to the correct answer with a poor-man's understanding of what going on if we can see some of the structural features and overlapping ideas.
CONC: Term X can't be defined as something with Y and Z. EVID: There are many cases of Y and Z that we wouldn't call Term X.
X = perception Y = material object Z = beliefs about that object
In conversational terms, the conclusion is saying that
And the author is shooting down that definition by saying,
The flaw is that the author is essentially doing a Necessary vs. Sufficient backwards move. The definition of Perception is saying, IF you're perceiving, you've got a relationship between material object / belief and the author is acting like it said ANY TIME you have a relationship between material object / belief, you have perception
Her putative counterexample is aimed at this 2nd, incorrect, rendering of the definition. She's thinking,
Goal
Look for an answer saying