Mathlib Changelog
v3
Changelog
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Mathlib v3 is deprecated.
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Commit
2019-02-08 09:28
8db042f0
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feat(data/rel): galois_connection (image r) (core r)
Estimated changes
Modified
src/data/rel.lean
modified
theorem
rel.core_comp
added
theorem
rel.core_preimage_gc
added
theorem
rel.image_subset_iff
modified
theorem
rel.preimage_comp
modified
def
rel.restrict_domain
modified
theorem
set.preimage_eq