You can reject the validity of the underlying data, but that doesn't change the methodology used to interpret it.
What was considered "science" at the time of Aquinas is not considered "science" today. The meaning of words changes over the centuries. Theology is considered a branch of metaphysics or philosophy. Your definition really refers to a branch of philosophy known as "symbolic logic", which is related to mathematics.
(1) All winged animals can fly.
(2) Horses have wings.
Therefore, horses can fly.
True, if the assumptions are true. But not science.
Your philosphy might be stated:
(1) Scripture is true.
(2) I can use logic to validate my theology using scripture.
Therefore, my theology is true.
But you cannot prove your 1st assumption. Symbolic logic is a useful tool. But it is not the scientific method, and it is philosophy, not science.