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v3
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Commit
2020-10-04 11:10
e1b1d17a
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feat(algebra/group): construct
add_monoid_hom
from
map_sub
(
#4382
)
Estimated changes
Modified
src/algebra/group/hom.lean
added
theorem
add_monoid_hom.coe_of_map_sub
modified
theorem
add_monoid_hom.map_sub
added
def
add_monoid_hom.of_map_sub
added
theorem
monoid_hom.coe_of_map_mul_inv
added
def
monoid_hom.of_map_mul_inv