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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 20109 | . . 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 6696 | . 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 5114 dom cdm 5666 ⟶wf 6539 ‘cfv 6543 SubGrpcsubg 19217 DProd cdprd 20096 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 |
| 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 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-oprab 7427 df-mpo 7428 df-1st 7995 df-2nd 7996 df-ixp 8905 df-dprd 20098 |
| This theorem is used by: dprdff 20115 dprdfid 20120 dprdfinv 20122 dprdfadd 20123 dprdfeq0 20125 dprdres 20131 dprdss 20132 dprdf1o 20135 dprdf1 20136 subgdprd 20138 dmdprdsplitlem 20140 dprdcntz2 20141 dpjlem 20154 dpjcntz 20155 dpjdisj 20156 dpjlsm 20157 dpjf 20160 dpjidcl 20161 dpjlid 20164 dpjghm 20166 dpjghm2 20167 ablfac1c 20174 ablfac1eulem 20175 ablfac1eu 20176 ablfaclem2 20189 ablfaclem3 20190 dchrptlem3 27467 |
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