Theorems · Theorem · commutative algebra
ringChar.ringChar_eq_one
∀ {R : Type u_1} [inst : NonAssocSemiring R], ringChar R = 1 ↔ Subsingleton R- Defined in
- Mathlib.Algebra.CharP.Defs
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 34 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- NonAssocSemiring
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Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Nat.cast_oneproof · cited by 2,501
- NonAssocSemiringstatement and proof · cited by 805
- ringCharstatement · cited by 73
- ringChar.specproof · cited by 7
- subsingleton_iff_zero_eq_oneproof · cited by 6
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