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Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-cmnssmndel | Structured version Visualization version GIF version |
Description: Commutative monoids are monoids (elemental version). This is a more direct proof of cmnmnd 19751, which relies on iscmn 19743. (Contributed by BJ, 9-Jun-2019.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
bj-cmnssmndel | ⊢ (𝐴 ∈ CMnd → 𝐴 ∈ Mnd) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bj-cmnssmnd 36804 | . 2 ⊢ CMnd ⊆ Mnd | |
2 | 1 | sseli 3969 | 1 ⊢ (𝐴 ∈ CMnd → 𝐴 ∈ Mnd) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2098 Mndcmnd 18688 CMndccmn 19734 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-ext 2696 |
This theorem depends on definitions: df-bi 206 df-an 395 df-ex 1774 df-sb 2060 df-clab 2703 df-cleq 2717 df-clel 2802 df-rab 3420 df-ss 3958 df-cmn 19736 |
This theorem is referenced by: (None) |
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