OAI/Analysis/PureInfiniteness/CountableAbelianization.lean

GitHub source file

3 declarations, 0 contain sorry, 0 declared as axioms

Countable positive families admit a single abelian-range compression. This is the saturation step of KR02 Proposition 7.13.

  1. def OAI.WeakPureInfiniteness.countableAbelianizationTest line 21
  2. lemma OAI.WeakPureInfiniteness.countableAbelianizationTest_nonneg line 27
  3. theorem OAI.WeakPureInfiniteness.ultrapower_countable_positive_abelianization line 34