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v3
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Mathlib v3 is deprecated.
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Theorem
subsingleton_or_nontrivial
Modification history
2020-10-08 13:27
src/logic/nontrivial.lean
feat(logic/nontrivial): a tactic to summon nontrivial instances (#4374) …
Modified
subsingleton_or_nontrivial
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2020-07-06 14:12
src/logic/nontrivial.lean
refactor(*): replace nonzero with nontrivial (#3296) …
Added
subsingleton_or_nontrivial
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