Mathlib Changelog
v4
Changelog
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2024-11-07 13:47
d08f234e
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feat: cardinality of the graph of a function (
#18401
) From PFR
Estimated changes
Modified
Mathlib/Data/Set/Card.lean
added
theorem
Set.ncard_graphOn
Modified
Mathlib/SetTheory/Cardinal/Finite.lean
added
theorem
Set.natCard_graphOn
added
theorem
Set.natCard_pos