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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 13911 | . 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 3213 ‘cfv 5354 (class class class)co 6052 Basecbs 13233 ↾s cress 13234 Grpcgrp 13734 SubGrpcsubg 13905 |
| 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-subg 13908 |
| This theorem is referenced by: subgbas 13916 subg0 13918 subginv 13919 subgsubcl 13923 subgsub 13924 subgmulgcl 13925 subgmulg 13926 issubg2m 13927 issubg4m 13931 subsubg 13935 subgintm 13936 trivsubgd 13938 nsgconj 13944 ssnmz 13949 eqger 13962 eqgid 13964 eqgen 13965 eqgcpbl 13966 resghm 13998 ghmnsgima 14006 conjsubg 14015 conjsubgen 14016 conjnmz 14017 conjnmzb 14018 qusecsub 14069 subgabl 14070 issubrng2 14378 issubrg2 14409 issubrg3 14415 islss4 14579 dflidl2rng 14678 |
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