so that構文

If the human brain were so simple that we could understand it, we would be so simple that we couldn’t.

もし、人間の頭脳が、我々が理解出来る程に、単純であったならば、我々は、とても単純なので、それが(理解)できないだろう。

It suggests that they were so intoxicated with their signs and portents as to be incapable of seeing what was before their eyes.

彼女の主張は彼らが目の前のものに目を向けられないほど前兆や凶事の予兆に興奮していたと示している

so~/that~
因/果