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| author | Andreas Grois <andi@grois.info> | 2025-10-12 23:39:59 +0200 |
|---|---|---|
| committer | Andreas Grois <andi@grois.info> | 2025-10-12 23:39:59 +0200 |
| commit | eebf50562af5de9779aa11ab2671bc1c917e6000 (patch) | |
| tree | 9e13866da93ebaf1c25628029db0a8422f94d741 /LeanAStar/Finite.lean | |
| parent | 973225b1c5ed10f2a99374c91a9d6a957067f654 (diff) | |
Lean 4.20.1
Diffstat (limited to 'LeanAStar/Finite.lean')
| -rw-r--r-- | LeanAStar/Finite.lean | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/LeanAStar/Finite.lean b/LeanAStar/Finite.lean index 302e3b1..cbd8ee3 100644 --- a/LeanAStar/Finite.lean +++ b/LeanAStar/Finite.lean @@ -187,7 +187,7 @@ protected theorem Finite.set_worker_size (α : Type u) [Finite α] [BEq α] [Has subst n have h₂ := h₂ ⟨m+1,h₁⟩ (Fin.le_refl _) have hx := Std.HashSet.mem_iff_contains.mp hx - exact absurd hx (Bool.eq_false_iff.mp h₂) + exact absurd hx h₂ termination_by _ n => n.val theorem Finite.set_size_eq_cardinality (α : Type u) [Finite α] [BEq α] [Hashable α] [LawfulBEq α] : (Finite.set α).size = Finite.cardinality α := by |