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| Mirrors > Home > ILE Home > Th. List > subrgbas | GIF version | ||
| Description: Base set of a subring structure. (Contributed by Stefan O'Rear, 27-Nov-2014.) |
| Ref | Expression |
|---|---|
| subrgbas.b | ⊢ 𝑆 = (𝑅 ↾s 𝐴) |
| Ref | Expression |
|---|---|
| subrgbas | ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝐴 = (Base‘𝑆)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | subrgsubg 14039 | . 2 ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝐴 ∈ (SubGrp‘𝑅)) | |
| 2 | subrgbas.b | . . 3 ⊢ 𝑆 = (𝑅 ↾s 𝐴) | |
| 3 | 2 | subgbas 13564 | . 2 ⊢ (𝐴 ∈ (SubGrp‘𝑅) → 𝐴 = (Base‘𝑆)) |
| 4 | 1, 3 | syl 14 | 1 ⊢ (𝐴 ∈ (SubRing‘𝑅) → 𝐴 = (Base‘𝑆)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1373 ∈ wcel 2177 ‘cfv 5277 (class class class)co 5954 Basecbs 12882 ↾s cress 12883 SubGrpcsubg 13553 SubRingcsubrg 14029 |
| 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-in1 615 ax-in2 616 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 2179 ax-14 2180 ax-ext 2188 ax-sep 4167 ax-pow 4223 ax-pr 4258 ax-un 4485 ax-setind 4590 ax-cnex 8029 ax-resscn 8030 ax-1re 8032 ax-addrcl 8035 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2193 df-cleq 2199 df-clel 2202 df-nfc 2338 df-ne 2378 df-ral 2490 df-rex 2491 df-rab 2494 df-v 2775 df-sbc 3001 df-csb 3096 df-dif 3170 df-un 3172 df-in 3174 df-ss 3181 df-nul 3463 df-pw 3620 df-sn 3641 df-pr 3642 df-op 3644 df-uni 3854 df-int 3889 df-br 4049 df-opab 4111 df-mpt 4112 df-id 4345 df-xp 4686 df-rel 4687 df-cnv 4688 df-co 4689 df-dm 4690 df-rn 4691 df-res 4692 df-ima 4693 df-iota 5238 df-fun 5279 df-fn 5280 df-fv 5285 df-ov 5957 df-oprab 5958 df-mpo 5959 df-inn 9050 df-2 9108 df-3 9109 df-ndx 12885 df-slot 12886 df-base 12888 df-sets 12889 df-iress 12890 df-plusg 12972 df-mulr 12973 df-subg 13556 df-ring 13810 df-subrg 14031 |
| This theorem is referenced by: subrg1 14043 subrgmcl 14045 subrgdvds 14047 subrguss 14048 subrginv 14049 subrgdv 14050 subrgunit 14051 subsubrg 14057 |
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