Essential/intrinsic/unchanging qualities are “synthetic” a priori because essentially/eternally true before (not “chronologically” before) demonstrated — but — not “true true” (“instantiated”) UNTIL (yes, chronologically until—relative to the observer-subject-to-time) actively/actually demonstrated in time — but — definitely WILL BE (relative to the observer-subject-to-time), or HAS BEEN, or IS BEING, demonstrated.