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| Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-ablsscmnel | Structured version Visualization version GIF version | ||
| Description: Abelian groups are commutative monoids (elemental version). This is a shorter proof of ablcmn 20031. (Contributed by BJ, 9-Jun-2019.) (Proof modification is discouraged.) |
| Ref | Expression |
|---|---|
| bj-ablsscmnel | ⊢ (𝐴 ∈ Abel → 𝐴 ∈ CMnd) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bj-ablsscmn 38391 | . 2 ⊢ Abel ⊆ CMnd | |
| 2 | 1 | sseli 3909 | 1 ⊢ (𝐴 ∈ Abel → 𝐴 ∈ CMnd) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2147 CMndccmn 20024 Abelcabl 20025 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-rab 3417 df-v 3456 df-ss 3901 df-in 4094 df-abl 20027 |
| This theorem is used by: (None) |
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