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The free unital ring over the unital semiring $(\mathbb{N}, 0, 1, {+}, {\times})$, or in layman'slayperson's terms “just add subtraction”.
The free unital ring over the unital semiring $(\mathbb{N}, 0, 1, {+}, {\times})$, or in layman's terms “just add subtraction”.
The free unital ring over the unital semiring $(\mathbb{N}, 0, 1, {+}, {\times})$, or in layperson's terms “just add subtraction”.
