{"fqn":"KLean.Bio.Contact.sigmoid_pos","short":"sigmoid_pos","module":"KLean.Bio.Contact","path":"KLean/Bio/Contact.lean","claim":"sigmoid(x) > 0 for all x","verified":true,"axiom_level":"kernel-standard","olean_sha256":"7ff5ba8e45a8da48376174fb0d2c5b4ca8b820630b9ad2b74792320e795548ca","quarantined":false,"statement":"theorem sigmoid_pos (x : ℝ) : 0 < sigmoid x","topics":["biology"],"refs":[],"depends_on":["KLean.Misc.Basic"],"used_by":[],"compute":"/api/v1/klean/compute/sigmoid","seal":{"receipt_id":"d017cc7dffff572a7adc3c1d","digest":"ff9469cecfb2bfdf74174682d2499bf3dcc86c0d62e7197d6640fab11f61bd22","sealed_at":"2026-08-10T03:30:24.740384+00:00","time_source":"roughtime_chain"},"commit":"4b8413e1b8"}