Theorems · Theorem · ring theory
NonUnitalSubsemiring.ext_iff
∀ {R : Type u} [inst : NonUnitalNonAssocSemiring R] {S T : NonUnitalSubsemiring R}, S = T ↔ ∀ (x : R), x ∈ S ↔ x ∈ T- Cited by
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- Foundations
- Depth 14 from the axioms · uses propext, Quot.sound
- Assumes
- NonUnitalNonAssocSemiring
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- NonUnitalNonAssocSemiringstatement and proof · cited by 1,081
- NonUnitalSubsemiringstatement and proof · cited by 201
- NonUnitalSubsemiring.extproof · cited by 6
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