to vary, such differences are due only to differences in the "surface grammar" of language, the ways in which things are understood as meaningful. When asked why languages are structured in certain ways, some theorists claim that the brain and our neural networks form the "deep grammar" of what things mean. Though many disagree with these ideas, I believe that synthetic a-priori propositions are indeed possible. Not only that, but I think they are firmly fixed in our minds and thought patterns for example, almost the entire field of mathematics is based on things we can’t actually see and feel in front of us. Yet we base our lives around these systems, and so therefore I would think that by denying the existence of this type of knowledge would also be denying a ‘part’ of our minds, which really have the potential for greatness. ...