Reference · Signed rationals
rainbow.math.rational.signed.matrix-lp-dimension-decision-duality
Signed matrix LP weak duality from executable dimension decisions. This is the proof-facing API an independent checker wants: provide evidence that the native Nat and matrix dimension deciders returned true, together with feasibility and nonnegativity evidence. The theorem converts those decisions into exact length certificates and delegates to the existing matrix weak-duality corollary. It verifies the submitted decision evidence, not a host parser, solver, or arbitrary executable. Native and axiom-free on D63.
optimization/signed-matrix-lp-weak-duality-from-dimension-decisions
optimization/signed-matrix-lp-weak-duality-from-dimension-decisions : (rows : List (List ℚ)) (b c x y : List ℚ) (y-dimension-decision : nat/decide-equality (vector/length y) (vector/length (matrix/column-shape rows)) = data/true) (rows-x-dimension-decision : matrix/decide-row-length-compatible rows x = data/true) (primal-feasible : vector/at-most (matrix/vector-multiply rows x) b) (dual-feasible : vector/at-most c (multiply)) (x-nonnegative : vector/at-most (vector/zero-like x) x) (y-nonnegative : vector/at-most (vector/zero-like y) y) → vector/dot c x ≤ vector/dot b y where multiply := matrix/vector-multiply (matrix/transpose rows) y
= = equality/EqList = data/Listℚ = signed/SignedRational≤ = signed/at-most