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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 13670 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ 𝐵 ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
| 3 | 2 | simp2bi 1016 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝑆 ⊆ 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1373 ∈ wcel 2178 ⊆ wss 3175 ‘cfv 5291 (class class class)co 5969 Basecbs 12993 ↾s cress 12994 Grpcgrp 13493 SubGrpcsubg 13664 |
| 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 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2180 ax-14 2181 ax-ext 2189 ax-sep 4179 ax-pow 4235 ax-pr 4270 ax-un 4499 ax-cnex 8053 ax-resscn 8054 ax-1re 8056 ax-addrcl 8059 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ral 2491 df-rex 2492 df-rab 2495 df-v 2779 df-sbc 3007 df-csb 3103 df-un 3179 df-in 3181 df-ss 3188 df-pw 3629 df-sn 3650 df-pr 3651 df-op 3653 df-uni 3866 df-int 3901 df-br 4061 df-opab 4123 df-mpt 4124 df-id 4359 df-xp 4700 df-rel 4701 df-cnv 4702 df-co 4703 df-dm 4704 df-rn 4705 df-res 4706 df-ima 4707 df-iota 5252 df-fun 5293 df-fn 5294 df-fv 5299 df-ov 5972 df-inn 9074 df-ndx 12996 df-slot 12997 df-base 12999 df-subg 13667 |
| This theorem is referenced by: subgbas 13675 subg0 13677 subginv 13678 subgsubcl 13682 subgsub 13683 subgmulgcl 13684 subgmulg 13685 issubg2m 13686 issubg4m 13690 subsubg 13694 subgintm 13695 trivsubgd 13697 nsgconj 13703 ssnmz 13708 eqger 13721 eqgid 13723 eqgen 13724 eqgcpbl 13725 resghm 13757 ghmnsgima 13765 conjsubg 13774 conjsubgen 13775 conjnmz 13776 conjnmzb 13777 qusecsub 13828 subgabl 13829 issubrng2 14133 issubrg2 14164 issubrg3 14170 islss4 14305 dflidl2rng 14404 |
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