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Mirrors > Home > ILE Home > Th. List > mgpf | GIF version |
Description: Restricted functionality of the multiplicative group on rings. (Contributed by Mario Carneiro, 11-Mar-2015.) |
Ref | Expression |
---|---|
mgpf | ⊢ (mulGrp ↾ Ring):Ring⟶Mnd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fnmgp 12927 | . . 3 ⊢ mulGrp Fn V | |
2 | ssv 3175 | . . 3 ⊢ Ring ⊆ V | |
3 | fnssres 5321 | . . 3 ⊢ ((mulGrp Fn V ∧ Ring ⊆ V) → (mulGrp ↾ Ring) Fn Ring) | |
4 | 1, 2, 3 | mp2an 426 | . 2 ⊢ (mulGrp ↾ Ring) Fn Ring |
5 | fvres 5531 | . . . 4 ⊢ (𝑎 ∈ Ring → ((mulGrp ↾ Ring)‘𝑎) = (mulGrp‘𝑎)) | |
6 | eqid 2175 | . . . . 5 ⊢ (mulGrp‘𝑎) = (mulGrp‘𝑎) | |
7 | 6 | ringmgp 12978 | . . . 4 ⊢ (𝑎 ∈ Ring → (mulGrp‘𝑎) ∈ Mnd) |
8 | 5, 7 | eqeltrd 2252 | . . 3 ⊢ (𝑎 ∈ Ring → ((mulGrp ↾ Ring)‘𝑎) ∈ Mnd) |
9 | 8 | rgen 2528 | . 2 ⊢ ∀𝑎 ∈ Ring ((mulGrp ↾ Ring)‘𝑎) ∈ Mnd |
10 | ffnfv 5666 | . 2 ⊢ ((mulGrp ↾ Ring):Ring⟶Mnd ↔ ((mulGrp ↾ Ring) Fn Ring ∧ ∀𝑎 ∈ Ring ((mulGrp ↾ Ring)‘𝑎) ∈ Mnd)) | |
11 | 4, 9, 10 | mpbir2an 942 | 1 ⊢ (mulGrp ↾ Ring):Ring⟶Mnd |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 2146 ∀wral 2453 Vcvv 2735 ⊆ wss 3127 ↾ cres 4622 Fn wfn 5203 ⟶wf 5204 ‘cfv 5208 Mndcmnd 12681 mulGrpcmgp 12925 Ringcrg 12972 |
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 614 ax-in2 615 ax-io 709 ax-5 1445 ax-7 1446 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-8 1502 ax-10 1503 ax-11 1504 ax-i12 1505 ax-bndl 1507 ax-4 1508 ax-17 1524 ax-i9 1528 ax-ial 1532 ax-i5r 1533 ax-13 2148 ax-14 2149 ax-ext 2157 ax-sep 4116 ax-pow 4169 ax-pr 4203 ax-un 4427 ax-setind 4530 ax-cnex 7877 ax-resscn 7878 ax-1re 7880 ax-addrcl 7883 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1459 df-sb 1761 df-eu 2027 df-mo 2028 df-clab 2162 df-cleq 2168 df-clel 2171 df-nfc 2306 df-ne 2346 df-ral 2458 df-rex 2459 df-rab 2462 df-v 2737 df-sbc 2961 df-dif 3129 df-un 3131 df-in 3133 df-ss 3140 df-pw 3574 df-sn 3595 df-pr 3596 df-op 3598 df-uni 3806 df-int 3841 df-br 3999 df-opab 4060 df-mpt 4061 df-id 4287 df-xp 4626 df-rel 4627 df-cnv 4628 df-co 4629 df-dm 4630 df-rn 4631 df-res 4632 df-iota 5170 df-fun 5210 df-fn 5211 df-f 5212 df-fv 5216 df-ov 5868 df-oprab 5869 df-mpo 5870 df-inn 8891 df-2 8949 df-3 8950 df-ndx 12430 df-slot 12431 df-base 12433 df-sets 12434 df-plusg 12504 df-mulr 12505 df-mgp 12926 df-ring 12974 |
This theorem is referenced by: (None) |
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