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| Mirrors > Home > ILE Home > Th. List > subgss | GIF version | ||
| Description: A subgroup is a subset. (Contributed by Mario Carneiro, 2-Dec-2014.) |
| Ref | Expression |
|---|---|
| issubg.b | ⊢ 𝐵 = (Base‘𝐺) |
| Ref | Expression |
|---|---|
| subgss | ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝑆 ⊆ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | issubg.b | . . 3 ⊢ 𝐵 = (Base‘𝐺) | |
| 2 | 1 | issubg 13783 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ 𝐵 ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
| 3 | 2 | simp2bi 1039 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝑆 ⊆ 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1397 ∈ wcel 2201 ⊆ wss 3199 ‘cfv 5328 (class class class)co 6023 Basecbs 13105 ↾s cress 13106 Grpcgrp 13606 SubGrpcsubg 13777 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2203 ax-14 2204 ax-ext 2212 ax-sep 4208 ax-pow 4266 ax-pr 4301 ax-un 4532 ax-cnex 8128 ax-resscn 8129 ax-1re 8131 ax-addrcl 8134 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1810 df-eu 2081 df-mo 2082 df-clab 2217 df-cleq 2223 df-clel 2226 df-nfc 2362 df-ral 2514 df-rex 2515 df-rab 2518 df-v 2803 df-sbc 3031 df-csb 3127 df-un 3203 df-in 3205 df-ss 3212 df-pw 3655 df-sn 3676 df-pr 3677 df-op 3679 df-uni 3895 df-int 3930 df-br 4090 df-opab 4152 df-mpt 4153 df-id 4392 df-xp 4733 df-rel 4734 df-cnv 4735 df-co 4736 df-dm 4737 df-rn 4738 df-res 4739 df-ima 4740 df-iota 5288 df-fun 5330 df-fn 5331 df-fv 5336 df-ov 6026 df-inn 9149 df-ndx 13108 df-slot 13109 df-base 13111 df-subg 13780 |
| This theorem is referenced by: subgbas 13788 subg0 13790 subginv 13791 subgsubcl 13795 subgsub 13796 subgmulgcl 13797 subgmulg 13798 issubg2m 13799 issubg4m 13803 subsubg 13807 subgintm 13808 trivsubgd 13810 nsgconj 13816 ssnmz 13821 eqger 13834 eqgid 13836 eqgen 13837 eqgcpbl 13838 resghm 13870 ghmnsgima 13878 conjsubg 13887 conjsubgen 13888 conjnmz 13889 conjnmzb 13890 qusecsub 13941 subgabl 13942 issubrng2 14248 issubrg2 14279 issubrg3 14285 islss4 14420 dflidl2rng 14519 |
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