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| Mirrors > Home > MPE Home > Th. List > dprdf2 | Structured version Visualization version GIF version | ||
| Description: The function 𝑆 is a family of subgroups. (Contributed by Mario Carneiro, 25-Apr-2016.) |
| Ref | Expression |
|---|---|
| dprdcntz.1 | ⊢ (𝜑 → 𝐺dom DProd 𝑆) |
| dprdcntz.2 | ⊢ (𝜑 → dom 𝑆 = 𝐼) |
| Ref | Expression |
|---|---|
| dprdf2 | ⊢ (𝜑 → 𝑆:𝐼⟶(SubGrp‘𝐺)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | dprdcntz.1 | . . 3 ⊢ (𝜑 → 𝐺dom DProd 𝑆) | |
| 2 | dprdf 20227 | . . 3 ⊢ (𝐺dom DProd 𝑆 → 𝑆:dom 𝑆⟶(SubGrp‘𝐺)) | |
| 3 | 1, 2 | syl 18 | . 2 ⊢ (𝜑 → 𝑆:dom 𝑆⟶(SubGrp‘𝐺)) |
| 4 | dprdcntz.2 | . . 3 ⊢ (𝜑 → dom 𝑆 = 𝐼) | |
| 5 | 4 | feq2d 6693 | . 2 ⊢ (𝜑 → (𝑆:dom 𝑆⟶(SubGrp‘𝐺) ↔ 𝑆:𝐼⟶(SubGrp‘𝐺))) |
| 6 | 3, 5 | mpbid 235 | 1 ⊢ (𝜑 → 𝑆:𝐼⟶(SubGrp‘𝐺)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 class class class wbr 5102 dom cdm 5650 ⟶wf 6534 ‘cfv 6538 SubGrpcsubg 19335 DProd cdprd 20214 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-oprab 7424 df-mpo 7425 df-1st 8001 df-2nd 8002 df-ixp 8929 df-dprd 20216 |
| This theorem is used by: dprdff 20233 dprdfid 20238 dprdfinv 20240 dprdfadd 20241 dprdfeq0 20243 dprdres 20249 dprdss 20250 dprdf1o 20253 dprdf1 20254 subgdprd 20256 dmdprdsplitlem 20258 dprdcntz2 20259 dpjlem 20272 dpjcntz 20273 dpjdisj 20274 dpjlsm 20275 dpjf 20278 dpjidcl 20279 dpjlid 20282 dpjghm 20284 dpjghm2 20285 ablfac1c 20292 ablfac1eulem 20293 ablfac1eu 20294 ablfaclem2 20307 ablfaclem3 20308 dchrptlem3 27598 |
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