Theorem Nat.card_of_isEmpty

Modification history

2023-12-18 10:05

Mathlib/SetTheory/Cardinal/Finite.lean

feat: demote the instance Fintype.ofIsEmpty to a def (#8816) …

Modified Nat.card_of_isEmpty View on Github →

2023-02-11 15:25

Mathlib/SetTheory/Cardinal/Finite.lean

feat: Port SetTheory.Cardinal.Finite (#2182)

Added Nat.card_of_isEmpty View on Github →