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Theorem sum.range_eq

Modification history

2022-12-07 20:30
src/data/set/basic.lean
refactor(data/set/basic): move image, preimage, and range to a new file (#17842) …
Modified sum.range_eqView on Github →
2022-10-27 16:54
src/data/set/basic.lean
feat(data/set/basic): add `sum.range_eq` (#17159)
Added sum.range_eqView on Github →