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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 20252 | . . 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 6715 | . 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 1570 class class class wbr 5106 dom cdm 5655 ⟶wf 6554 ‘cfv 6558 SubGrpcsubg 19359 DProd cdprd 20239 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-oprab 7447 df-mpo 7448 df-1st 8025 df-2nd 8026 df-ixp 8954 df-dprd 20241 |
| This theorem is used by: dprdff 20258 dprdfid 20263 dprdfinv 20265 dprdfadd 20266 dprdfeq0 20268 dprdres 20274 dprdss 20275 dprdf1o 20278 dprdf1 20279 subgdprd 20281 dmdprdsplitlem 20283 dprdcntz2 20284 dpjlem 20297 dpjcntz 20298 dpjdisj 20299 dpjlsm 20300 dpjf 20303 dpjidcl 20304 dpjlid 20307 dpjghm 20309 dpjghm2 20310 ablfac1c 20317 ablfac1eulem 20318 ablfac1eu 20319 ablfaclem2 20332 ablfaclem3 20333 dchrptlem3 27623 |
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