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| Mirrors > Home > ILE Home > Th. List > fnmgp | GIF version | ||
| Description: The multiplicative group operator is a function. (Contributed by Mario Carneiro, 11-Mar-2015.) |
| Ref | Expression |
|---|---|
| fnmgp | ⊢ mulGrp Fn V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 2824 | . . 3 ⊢ 𝑥 ∈ V | |
| 2 | plusgslid 13449 | . . . 4 ⊢ (+g = Slot (+g‘ndx) ∧ (+g‘ndx) ∈ ℕ) | |
| 3 | 2 | simpri 113 | . . 3 ⊢ (+g‘ndx) ∈ ℕ |
| 4 | mulrslid 13469 | . . . . 5 ⊢ (.r = Slot (.r‘ndx) ∧ (.r‘ndx) ∈ ℕ) | |
| 5 | 4 | slotex 13362 | . . . 4 ⊢ (𝑥 ∈ V → (.r‘𝑥) ∈ V) |
| 6 | 5 | elv 2825 | . . 3 ⊢ (.r‘𝑥) ∈ V |
| 7 | setsex 13367 | . . 3 ⊢ ((𝑥 ∈ V ∧ (+g‘ndx) ∈ ℕ ∧ (.r‘𝑥) ∈ V) → (𝑥 sSet 〈(+g‘ndx), (.r‘𝑥)〉) ∈ V) | |
| 8 | 1, 3, 6, 7 | mp3an 1378 | . 2 ⊢ (𝑥 sSet 〈(+g‘ndx), (.r‘𝑥)〉) ∈ V |
| 9 | df-mgp 14201 | . 2 ⊢ mulGrp = (𝑥 ∈ V ↦ (𝑥 sSet 〈(+g‘ndx), (.r‘𝑥)〉)) | |
| 10 | 8, 9 | fnmpti 5510 | 1 ⊢ mulGrp Fn V |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1402 ∈ wcel 2209 Vcvv 2821 〈cop 3711 Fn wfn 5370 ‘cfv 5375 (class class class)co 6079 ℕcn 9287 ndxcnx 13332 sSet csts 13333 Slot cslot 13334 +gcplusg 13414 .rcmulr 13415 mulGrpcmgp 14200 |
| 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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-cnex 8264 ax-resscn 8265 ax-1re 8267 ax-addrcl 8270 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-iota 5335 df-fun 5377 df-fn 5378 df-fv 5383 df-ov 6082 df-oprab 6083 df-mpo 6084 df-inn 9288 df-2 9346 df-3 9347 df-ndx 13338 df-slot 13339 df-sets 13342 df-plusg 13427 df-mulr 13428 df-mgp 14201 |
| This theorem is referenced by: mgpplusg 14205 mgpbas 14208 mgptopng 14211 rngmgpf 14219 ringidvalg 14247 ringidval 14248 dfur2g 14249 mgpf 14298 |
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