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Theorem subsemiring.coe_mul

Modification history

2021-03-22 10:12
src/ring_theory/subsemiring.lean
feat(algebra/subalgebra): missing norm_cast lemmas about operations (#6790)
Modified subsemiring.coe_mulView on Github →
2020-05-29 06:50
src/ring_theory/subsemiring.lean
feat(ring_theory): define subsemirings (#2837) …
Added subsemiring.coe_mulView on Github →