You're not very precise, are you? I did not say the Summa contradicts the Catechism, I said "you are using them to contradict the Catechism."
My "use" was quoting two large excerpts without comment.
So you are claiming that simply "using" the Summa via quotation in context is a method that can "contradict the Catechism". In other words, the very words of the Summa, according to you, read or spoken without comment, would automatically contradict the Catechism.
And upon what do you base this wild opinion?