Mathlib v3 is deprecated. Go to Mathlib v4

Theorem subsemiring.coe_one

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_oneView on Github →
2020-05-29 06:50
src/ring_theory/subsemiring.lean
feat(ring_theory): define subsemirings (#2837) …
Added subsemiring.coe_oneView on Github →