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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 13932 | . 2 ⊢ (𝑆 ∈ (SubGrp‘𝐺) ↔ (𝐺 ∈ Grp ∧ 𝑆 ⊆ 𝐵 ∧ (𝐺 ↾s 𝑆) ∈ Grp)) |
| 3 | 2 | simp2bi 1040 | 1 ⊢ (𝑆 ∈ (SubGrp‘𝐺) → 𝑆 ⊆ 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2205 ⊆ wss 3214 ‘cfv 5359 (class class class)co 6060 Basecbs 13302 ↾s cress 13303 Grpcgrp 13761 SubGrpcsubg 13926 |
| 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-14 2208 ax-ext 2216 ax-sep 4234 ax-pow 4293 ax-pr 4328 ax-un 4560 ax-cnex 8236 ax-resscn 8237 ax-1re 8239 ax-addrcl 8242 |
| 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 3046 df-csb 3142 df-un 3218 df-in 3220 df-ss 3227 df-pw 3677 df-sn 3701 df-pr 3702 df-op 3704 df-uni 3921 df-int 3956 df-br 4116 df-opab 4178 df-mpt 4179 df-id 4420 df-xp 4762 df-rel 4763 df-cnv 4764 df-co 4765 df-dm 4766 df-rn 4767 df-res 4768 df-ima 4769 df-iota 5319 df-fun 5361 df-fn 5362 df-fv 5367 df-ov 6063 df-inn 9260 df-ndx 13305 df-slot 13306 df-base 13308 df-subg 13929 |
| This theorem is referenced by: subgbas 13937 subg0 13939 subginv 13940 subgsubcl 13944 subgsub 13945 subgmulgcl 13946 subgmulg 13947 issubg2m 13948 issubg4m 13952 subsubg 13956 subgintm 13957 trivsubgd 13959 nsgconj 13965 ssnmz 13970 eqger 13983 eqgid 13985 eqgen 13986 eqgcpbl 13987 resghm 14019 ghmnsgima 14027 conjsubg 14036 conjsubgen 14037 conjnmz 14038 conjnmzb 14039 qusecsub 14090 subgabl 14091 issubrng2 14462 issubrg2 14493 issubrg3 14499 islss4 14662 dflidl2rng 14761 |
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