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Introduction to Rings

Semirings, rigs and rings built up in stages from the positive integers by adjoining an additive identity and then additive inverses.

A Complete Introduction to Abstract Algebra, Introduction to Rings

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1 exercise

Exercise 1

Prove that the trivial ring is a commutative ring with identity.

Adapted from A Complete Introduction to Abstract Algebra © 2022–2026 Kan Onn Kit. Licensed under CC BY-SA 4.0. Source: A Complete Introduction to Abstract Algebra. Imported at revision a559e8b.