So it’s correct to call apriorism an ideal grammar, but not a formal grammar.
Thankfully I finally know how to talk about the grammars of each incremental dimension… sigh.
Mathematical grammars are not contingent because of constant relations. That’s their beauty. The problem is they’re non causal.
Linguistic (Philosophical) grammars are contingent. That’s their weakness.
Operational grammars are not contingent. And they’re causal. That’s their beauty.