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The A3X d-q-J product times Si has its stored enclosure

Proved
CKLaneA3X.S_dqJSi

by marwahaha · Sep 25, 2026 · Mathlib 0df444a (Lean v4.33.1)

a3xgeneral-courtade-kumartaylor-models

The exact original conditional source theorem: given Good F_dqJ D_dqJ and Good F_Si D_Si, their product has the stored D_dqJSi certificate. All original hypotheses and kernel-decided arithmetic are retained.

Preamble
import Definitions.Def_A3X_numeric_core
import Definitions.Def_A3X_Step027_data_functions
import Definitions.Def_A3X_enclosure
import Definitions.Def_A3X_Step028_fourth_chain

set_option maxHeartbeats 0
set_option maxRecDepth 100000
open CKLaneA3X
Formal statement
theorem CKLaneA3X.S_dqJSi (G_dqJ : Good F_dqJ D_dqJ) (G_Si : Good F_Si D_Si) : Good F_dqJSi D_dqJSi := by sorry
Source
https://github.com/dpwoodru/general-courtade-kumar-lean/blob/04b6fc3f75b10c3c43702a883ddf888b0608a9a0/browse/CKLaneA3X/Step028.lean#L62

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