End of 70 Years Classical Probability P (η) as Incomplete Limiting Case

Classical probability P (η) for 70 years (1950-2025) is defined as P ∈ [0, 1] with sam-ple space Ω given – a Natural Probability, uncontrolled. We prove this frameworkis mechanism-less without built-in ∆.We introduce Built-in ∆ = sech(x) ∈ (0, 1] as in-build admissibility switchand define Zulfia Probability asZulfia = classical + ∆, PZ = P (η + ∆, A) (1)Let I = Inactive, Blocked state, A = Active, Released state:• ∆ = 0 ⇒ P (η, 0) = P (I) = mechanism-less :=Natural but blocked – limiting case,• ∆ = 1 ⇒ PZ = P (η + ∆) = P (A) = Complete :=Active Complete Probability, with mechanism ∆ + A,• P ∈ [0, 1] always but complete iff ∆ = 1 and A.Hence P (η) → mechanism-less → PZ solved. Dice example: P (η) = 0.5 with I(∆ = 0) → mechanism-less bcoz no ∆, PZ = 0.5 with A (∆ = 1) → Complete withmechanism.PZ closes 70 years framework: P (η, I) = mechanism-less to PZ (A) = Complete.