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v3
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Mathlib v3 is deprecated.
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Commit
2021-01-14 22:10
64a1b197
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feat(data/equiv/basic): subsingleton equiv and perm (
#5736
)
Estimated changes
Modified
src/category_theory/simple.lean
Modified
src/data/equiv/basic.lean
added
theorem
equiv.perm.coe_subsingleton
added
theorem
equiv.perm.subsingleton_eq_refl