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theorem proved term proof

actuality_is_unique

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formal statement (Lean)

 121theorem actuality_is_unique : ∃! x : ℝ, RSActual x :=

proof body

Term-mode proof.

 122  necessity_is_unique_minimizer
 123
 124/-! ## IV. Impossibility = Non-Positive Ratio -/
 125
 126/-- **Theorem (Impossibility)**:
 127    Something is "impossible" iff it has non-positive ratio.
 128    Negative or zero ratios violate the positivity constraint of the recognition ledger. -/

depends on (13)

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