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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 13929 | . 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 5357 (class class class)co 6058 Basecbs 13299 ↾s cress 13300 Grpcgrp 13758 SubGrpcsubg 13923 |
| 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 4233 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-cnex 8234 ax-resscn 8235 ax-1re 8237 ax-addrcl 8240 |
| 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 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-int 3955 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-fv 5365 df-ov 6061 df-inn 9258 df-ndx 13302 df-slot 13303 df-base 13305 df-subg 13926 |
| This theorem is referenced by: subgbas 13934 subg0 13936 subginv 13937 subgsubcl 13941 subgsub 13942 subgmulgcl 13943 subgmulg 13944 issubg2m 13945 issubg4m 13949 subsubg 13953 subgintm 13954 trivsubgd 13956 nsgconj 13962 ssnmz 13967 eqger 13980 eqgid 13982 eqgen 13983 eqgcpbl 13984 resghm 14016 ghmnsgima 14024 conjsubg 14033 conjsubgen 14034 conjnmz 14035 conjnmzb 14036 qusecsub 14087 subgabl 14088 issubrng2 14459 issubrg2 14490 issubrg3 14496 islss4 14659 dflidl2rng 14758 |
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