Sympy-exact witness of the therapeutic-index arithmetic. Setup: TI = TD50 / ED50, as a two-symbol ratio. Anchor: at TD50 = 10·ED50 (moderate-safety regime — opioid-like), TI = (10·ED50)/ED50 = 10 (the ED50 cancels cleanly). Oracle pins:…
Sympy-exact witness of the therapeutic-index arithmetic. Setup: TI = TD50 / ED50, as a two-symbol ratio. Anchor: at TD50 = 10·ED50 (moderate-safety regime — opioid-like), TI = (10·ED50)/ED50 = 10 (the ED50 cancels cleanly). Oracle pins:…