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v3
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Mathlib v3 is deprecated.
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Theorem
quiver.eq_nil_of_length_zero
Modification history
2022-12-05 17:04
src/combinatorics/quiver/cast.lean
feat(combinatorics/quiver/*) `cast` arrows and paths along equalities (#17617) …
Added
quiver.eq_nil_of_length_zero
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