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Theorems · Theorem · ring theory

AddMonoidAlgebra.single_add_apply_of_not_exists_add

Deprecated since 2026-06-18Use AddMonoidAlgebra.coeff_single_mul_of_forall_add_ne instead.

∀ {R : Type u_1} {M : Type u_4} [inst : Semiring R] [inst_1 : Add M] (r : R) {g g' : M} (x : AddMonoidAlgebra R M),
  (¬∃ d, g' = g + d) → (AddMonoidAlgebra.single g r * x).coeff g' = 0
Defined in
Mathlib.Algebra.MonoidAlgebra.Defs
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Foundations
Depth 78 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
SemiringAdd

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