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Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-mndsssmgrpel | Structured version Visualization version GIF version |
Description: Monoids are semigroups (elemental version). (Contributed by BJ, 11-Apr-2024.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
bj-mndsssmgrpel | ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Smgrp) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bj-mndsssmgrp 34576 | . 2 ⊢ Mnd ⊆ Smgrp | |
2 | 1 | sseli 3956 | 1 ⊢ (𝐺 ∈ Mnd → 𝐺 ∈ Smgrp) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2113 Smgrpcsgrp 17895 Mndcmnd 17906 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2792 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-clab 2799 df-cleq 2813 df-clel 2892 df-nfc 2962 df-rab 3146 df-in 3936 df-ss 3945 df-mnd 17907 |
This theorem is referenced by: (None) |
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