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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 13705 | . . . 4 ⊢ (𝑆 ∈ (SubMnd‘𝑀) → 𝑀 ∈ Mnd) | |
| 2 | submss.b | . . . . 5 ⊢ 𝐵 = (Base‘𝑀) | |
| 3 | eqid 2234 | . . . . 5 ⊢ (0g‘𝑀) = (0g‘𝑀) | |
| 4 | eqid 2234 | . . . . 5 ⊢ (+g‘𝑀) = (+g‘𝑀) | |
| 5 | 2, 3, 4 | issubm 13706 | . . . 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 1036 | 1 ⊢ (𝑆 ∈ (SubMnd‘𝑀) → 𝑆 ⊆ 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ↔ wb 105 ∧ w3a 1005 = wceq 1398 ∈ wcel 2205 ∀wral 2522 ⊆ wss 3213 ‘cfv 5354 (class class class)co 6052 Basecbs 13233 +gcplusg 13311 0gc0g 13490 Mndcmnd 13650 SubMndcsubmnd 13692 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4230 ax-pow 4289 ax-pr 4324 ax-un 4556 ax-cnex 8223 ax-resscn 8224 ax-1re 8226 ax-addrcl 8229 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-sbc 3045 df-csb 3141 df-un 3217 df-in 3219 df-ss 3226 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-int 3952 df-br 4112 df-opab 4174 df-mpt 4175 df-id 4416 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-res 4763 df-ima 4764 df-iota 5314 df-fun 5356 df-fn 5357 df-fv 5362 df-ov 6055 df-inn 9243 df-ndx 13236 df-slot 13237 df-base 13239 df-submnd 13694 |
| This theorem is referenced by: submbas 13715 subm0 13716 subsubm 13717 resmhm 13721 resmhm2 13722 mhmima 13725 gsumsubm 13728 gsumwsubmcl 13730 submmulgcl 13903 submmulg 13904 gsumfzsubmcl 14076 |
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