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v3
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Mathlib v3 is deprecated.
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Theorem
set.ncard_le_ncard_of_inj_on
Modification history
2023-05-30 14:04
src/data/set/ncard.lean
feat(data/set/ncard): noncomputable set cardinality (#18576) …
Added
set.ncard_le_ncard_of_inj_on
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