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v3
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Mathlib v3 is deprecated.
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Theorem
sdiff_sdiff_le_sdiff
Modification history
2022-09-04 15:22
src/order/heyting/basic.lean
feat(order/heyting/basic): Generalize boolean algebras lemmas (#16281) …
Deleted
sdiff_sdiff_le_sdiff
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2022-08-24 18:34
src/order/heyting/basic.lean
feat(order/heyting_algebra): Heyting algebras (#15305) …
Added
sdiff_sdiff_le_sdiff
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