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v3
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Mathlib v3 is deprecated.
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Theorem
finset.powerset_card_bUnion
Modification history
2021-02-07 06:54
src/data/finset/powerset.lean
feat(ring_theory/polynomial): Almost Vieta's formula on products of (X + r) (#5696) …
Added
finset.powerset_card_bUnion
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