Update LeanCamCombi/ProbLYM.lean

Co-authored-by: Yaël Dillies <[email protected]>

Author: ctchou

LeanCamCombi/ProbLYM.lean

@@ -45,7 +45,7 @@ def NumberingOn {α : Type*} (s : Finset α) := {x // x ∈ s} ≃ Fin s.card
 
 variable {α : Type*} [Fintype α] [DecidableEq α]
 
-theorem numbering_card : card (Numbering α) = (card α).factorial := by
+theorem cardNumbering : card (Numbering α) = (card α).factorial := by
   exact Fintype.card_equiv (Fintype.equivFinOfCardEq rfl)
 
 omit [Fintype α] in