| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > mgpplusg | GIF version | ||
| Description: Value of the group operation of the multiplication group. (Contributed by Mario Carneiro, 21-Dec-2014.) |
| Ref | Expression |
|---|---|
| mgpval.1 | ⊢ 𝑀 = (mulGrp‘𝑅) |
| mgpval.2 | ⊢ · = (.r‘𝑅) |
| Ref | Expression |
|---|---|
| mgpplusg | ⊢ · = (+g‘𝑀) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-slot 13356 | . . . . . . . . 9 ⊢ Slot (.r‘ndx) = (𝑥 ∈ V ↦ (𝑥‘(.r‘ndx))) | |
| 2 | 1 | funmpt2 5416 | . . . . . . . 8 ⊢ Fun Slot (.r‘ndx) |
| 3 | mulridx 13485 | . . . . . . . . 9 ⊢ .r = Slot (.r‘ndx) | |
| 4 | 3 | funeqi 5398 | . . . . . . . 8 ⊢ (Fun .r ↔ Fun Slot (.r‘ndx)) |
| 5 | 2, 4 | mpbir 146 | . . . . . . 7 ⊢ Fun .r |
| 6 | funrel 5394 | . . . . . . 7 ⊢ (Fun .r → Rel .r) | |
| 7 | 5, 6 | ax-mp 5 | . . . . . 6 ⊢ Rel .r |
| 8 | relelfvdm 5727 | . . . . . 6 ⊢ ((Rel .r ∧ 𝑥 ∈ (.r‘𝑅)) → 𝑅 ∈ dom .r) | |
| 9 | 7, 8 | mpan 428 | . . . . 5 ⊢ (𝑥 ∈ (.r‘𝑅) → 𝑅 ∈ dom .r) |
| 10 | 9 | elexd 2835 | . . . 4 ⊢ (𝑥 ∈ (.r‘𝑅) → 𝑅 ∈ V) |
| 11 | mgpval.2 | . . . 4 ⊢ · = (.r‘𝑅) | |
| 12 | 10, 11 | eleq2s 2333 | . . 3 ⊢ (𝑥 ∈ · → 𝑅 ∈ V) |
| 13 | plusgslid 13466 | . . . . 5 ⊢ (+g = Slot (+g‘ndx) ∧ (+g‘ndx) ∈ ℕ) | |
| 14 | 13 | slotm 13415 | . . . 4 ⊢ (𝑥 ∈ (+g‘𝑀) → ∃𝑗 𝑗 ∈ 𝑀) |
| 15 | fnmgp 14219 | . . . . . . . . 9 ⊢ mulGrp Fn V | |
| 16 | fnrel 5479 | . . . . . . . . 9 ⊢ (mulGrp Fn V → Rel mulGrp) | |
| 17 | 15, 16 | ax-mp 5 | . . . . . . . 8 ⊢ Rel mulGrp |
| 18 | relelfvdm 5727 | . . . . . . . 8 ⊢ ((Rel mulGrp ∧ 𝑗 ∈ (mulGrp‘𝑅)) → 𝑅 ∈ dom mulGrp) | |
| 19 | 17, 18 | mpan 428 | . . . . . . 7 ⊢ (𝑗 ∈ (mulGrp‘𝑅) → 𝑅 ∈ dom mulGrp) |
| 20 | 19 | elexd 2835 | . . . . . 6 ⊢ (𝑗 ∈ (mulGrp‘𝑅) → 𝑅 ∈ V) |
| 21 | mgpval.1 | . . . . . 6 ⊢ 𝑀 = (mulGrp‘𝑅) | |
| 22 | 20, 21 | eleq2s 2333 | . . . . 5 ⊢ (𝑗 ∈ 𝑀 → 𝑅 ∈ V) |
| 23 | 22 | exlimiv 1651 | . . . 4 ⊢ (∃𝑗 𝑗 ∈ 𝑀 → 𝑅 ∈ V) |
| 24 | 14, 23 | syl 14 | . . 3 ⊢ (𝑥 ∈ (+g‘𝑀) → 𝑅 ∈ V) |
| 25 | 21, 11 | mgpplusgg 14221 | . . . 4 ⊢ (𝑅 ∈ V → · = (+g‘𝑀)) |
| 26 | 25 | eleq2d 2308 | . . 3 ⊢ (𝑅 ∈ V → (𝑥 ∈ · ↔ 𝑥 ∈ (+g‘𝑀))) |
| 27 | 12, 24, 26 | pm5.21nii 716 | . 2 ⊢ (𝑥 ∈ · ↔ 𝑥 ∈ (+g‘𝑀)) |
| 28 | 27 | eqriv 2235 | 1 ⊢ · = (+g‘𝑀) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: = wceq 1402 ∃wex 1545 ∈ wcel 2209 Vcvv 2821 dom cdm 4774 Rel wrel 4779 Fun wfun 5371 Fn wfn 5372 ‘cfv 5377 ndxcnx 13349 Slot cslot 13351 +gcplusg 13431 .rcmulr 13432 mulGrpcmgp 14217 |
| This proof depends on 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 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8270 ax-resscn 8271 ax-1re 8273 ax-addrcl 8276 |
| This proof 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-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-iota 5337 df-fun 5379 df-fn 5380 df-fv 5385 df-ov 6088 df-oprab 6089 df-mpo 6090 df-inn 9305 df-2 9363 df-3 9364 df-ndx 13355 df-slot 13356 df-sets 13359 df-plusg 13444 df-mulr 13445 df-mgp 14218 |
| This theorem is used by: assamulgscmlem2 15042 |
| Copyright terms: Public domain | W3C validator |