The error is this.
1 All imaginary objects are immaterial objects.
2 Numbers are immaterial objects
3 ∴ Numbers are imaginary.
1 All cats are mammals.
2 Dogs are mammals
3 ∴ Dogs are cats.
We don’t actually WRITE the book of nature. We only READ it.
1 Physical being
2 Psychical/Mental being
3 Platonica/Abstract, formal being
The mind relates to the other two by KNOWING.
Platonic being is purely formal, without matter, and so is intelligible as such & can be known. Mathematics is the paradigm here.