This paper introduces The Implicit Tension (TIT), a structural theory identifying a fundamental architectural obstacle that prevents knowledge-rich artificial systems from forming genuine, committed judgments. We argue that such systems exhibit a structural conflict between epistemic sufficiency knowledge dense enough to ground a committed position and commitment deficiency the absence of any architectural mechanism capable of resolving competing structural hypotheses into a single, falsifiable stance, a state we term Epistemic Suspension. TIT is formalized across three structural levels (Density Tension, Synthesis Tension, and Commitment Tension) and consolidated into a unified TIT score, with a numerical simulation study verifying the model's asymptotic behavior across varied configurations. Within a formal activation model of hypothesis competition, we prove via a dedicated theorem that scaling knowledge without a commitment-resolution mechanism strictly increases TIT rather than reducing it; this proof is confined to the formal model, while its extension to real trained systems is deliberately stated only as a falsifiable prediction, and we further reinterpret biological forgetting, attentional constraint, and working-memory boundedness as commitment-resolution mechanisms largely absent from current architectures. The paper concludes with five falsifiable predictions and the proposal of a Commitment Resolution Requirement as the next architectural target, positioning TIT as the theoretical bridge between knowledge acquisition and structural judgment within the broader AI Implicit research programme.