75structure MinimalLedger (X : Type*) where 76 /-- The charge of an element. -/ 77 charge : X → ℤ 78 /-- Conservation: sum of charges is zero in any valid transaction. -/ 79 conserved : ∀ (txn : List X), (txn.map charge).sum = 0 80 81/-- Hypothesis class: MP forces ledger structure. 82 83This is a PHYSICAL HYPOTHESIS, not a mathematical theorem. 84It captures the claim that recognition pairing forces conservation. 85-/
depends on (15)
Lean names referenced from this declaration's body.