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v3
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Mathlib v3 is deprecated.
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Theorem
set.nontrivial_coe_sort
Modification history
2022-10-25 00:26
src/data/set/basic.lean
feat(data/{finset,set}/basic): A nonempty set of a subsingleton is `univ` (#16965) …
Added
set.nontrivial_coe_sort
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