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Adopt lemma as the default keyword

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Convert every theorem to lemma (mathlib's default) except the headline results a
reader of each module seeks out: analyze_correct (Forward/Sign/Constant),
aFix_eq/aFix_le (Fixedpoint), trace (Language), and Stmt.cfg_sufficient
(Language/Properties). lemma and theorem are interchangeable keywords, so no
references change.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Danila Fedorin
2026-06-25 13:59:08 -05:00
parent 5c9c8ac55c
commit e2df847139
20 changed files with 143 additions and 143 deletions
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2
lean/Spa/Lattice/Unit.lean
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@@ -2,7 +2,7 @@ import Spa.Lattice
namespace Spa
theorem boundedChains_of_subsingleton (α : Type*) [Preorder α] [Subsingleton α]
lemma boundedChains_of_subsingleton (α : Type*) [Preorder α] [Subsingleton α]
(n : ℕ) : BoundedChains α n := fun c => by
by_contra hc
push_neg at hc