📁 Source: Mathlib/Algebra/Polynomial/Eval/Subring.lean
mem_map_range
mem_map_rangeS
Polynomial
Ring.toSemiring
Subring
ring
SetLike.instMembership
Subring.instSetLike
RingHom.range
mapRingHom
coeff
Subsemiring
Semiring.toNonAssocSemiring
semiring
Subsemiring.instSetLike
RingHom.rangeS
coe_mapRingHom
coeff_map
Set.mem_range_self
as_sum_range_C_mul_X_pow
Subsemiring.sum_mem
map_mul
map_C
map_pow
map_X
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