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Diff — Associative property

Revision #1021 → #2521 · back to history

modifiedNumber of bracketings is Catalan number1bab5054bc9a
FieldFrom #1021To #2521
mathlib.decltreesOfNumNodesEq_card_eq_catalanBinaryTree.treesOfNumNodesEq_card_eq_catalan
provenanceaiai-moderated
modifiedComposition of morphisms in a category697248b5d565
FieldFrom #1021To #2521
mathlib.declCategory.assocCategoryTheory.Category.assoc
provenanceaiai-moderated