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| Mirrors > Home > ILE Home > Th. List > submss | GIF version | ||
| Description: Submonoids are subsets of the base set. (Contributed by Mario Carneiro, 7-Mar-2015.) |
| Ref | Expression |
|---|---|
| submss.b | ⊢ 𝐵 = (Base‘𝑀) |
| Ref | Expression |
|---|---|
| submss | ⊢ (𝑆 ∈ (SubMnd‘𝑀) → 𝑆 ⊆ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | submrcl 13547 | . . . 4 ⊢ (𝑆 ∈ (SubMnd‘𝑀) → 𝑀 ∈ Mnd) | |
| 2 | submss.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑀) | |
| 3 | eqid 2229 | . . . . 5 ⊢ (0g‘𝑀) = (0g‘𝑀) | |
| 4 | eqid 2229 | . . . . 5 ⊢ (+g‘𝑀) = (+g‘𝑀) | |
| 5 | 2, 3, 4 | issubm 13548 | . . . 4 ⊢ (𝑀 ∈ Mnd → (𝑆 ∈ (SubMnd‘𝑀) ↔ (𝑆 ⊆ 𝐵 ∧ (0g‘𝑀) ∈ 𝑆 ∧ ∀𝑥 ∈ 𝑆 ∀𝑦 ∈ 𝑆 (𝑥(+g‘𝑀)𝑦) ∈ 𝑆))) |
| 6 | 1, 5 | syl 14 | . . 3 ⊢ (𝑆 ∈ (SubMnd‘𝑀) → (𝑆 ∈ (SubMnd‘𝑀) ↔ (𝑆 ⊆ 𝐵 ∧ (0g‘𝑀) ∈ 𝑆 ∧ ∀𝑥 ∈ 𝑆 ∀𝑦 ∈ 𝑆 (𝑥(+g‘𝑀)𝑦) ∈ 𝑆))) |
| 7 | 6 | ibi 176 | . 2 ⊢ (𝑆 ∈ (SubMnd‘𝑀) → (𝑆 ⊆ 𝐵 ∧ (0g‘𝑀) ∈ 𝑆 ∧ ∀𝑥 ∈ 𝑆 ∀𝑦 ∈ 𝑆 (𝑥(+g‘𝑀)𝑦) ∈ 𝑆)) |
| 8 | 7 | simp1d 1033 | 1 ⊢ (𝑆 ∈ (SubMnd‘𝑀) → 𝑆 ⊆ 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ↔ wb 105 ∧ w3a 1002 = wceq 1395 ∈ wcel 2200 ∀wral 2508 ⊆ wss 3198 ‘cfv 5324 (class class class)co 6013 Basecbs 13075 +gcplusg 13153 0gc0g 13332 Mndcmnd 13492 SubMndcsubmnd 13534 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-cnex 8116 ax-resscn 8117 ax-1re 8119 ax-addrcl 8122 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-sbc 3030 df-csb 3126 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-br 4087 df-opab 4149 df-mpt 4150 df-id 4388 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-ima 4736 df-iota 5284 df-fun 5326 df-fn 5327 df-fv 5332 df-ov 6016 df-inn 9137 df-ndx 13078 df-slot 13079 df-base 13081 df-submnd 13536 |
| This theorem is referenced by: submbas 13557 subm0 13558 subsubm 13559 resmhm 13563 resmhm2 13564 mhmima 13567 gsumsubm 13570 gsumwsubmcl 13572 submmulgcl 13745 submmulg 13746 gsumfzsubmcl 13918 |
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