| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > mgpex | GIF version | ||
| Description: Existence of the multiplication group. If 𝑅 is known to be a semiring, see srgmgp 13971. (Contributed by Jim Kingdon, 10-Jan-2025.) |
| Ref | Expression |
|---|---|
| mgpbas.1 | ⊢ 𝑀 = (mulGrp‘𝑅) |
| Ref | Expression |
|---|---|
| mgpex | ⊢ (𝑅 ∈ 𝑉 → 𝑀 ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mgpbas.1 | . . 3 ⊢ 𝑀 = (mulGrp‘𝑅) | |
| 2 | eqid 2229 | . . 3 ⊢ (.r‘𝑅) = (.r‘𝑅) | |
| 3 | 1, 2 | mgpvalg 13926 | . 2 ⊢ (𝑅 ∈ 𝑉 → 𝑀 = (𝑅 sSet 〈(+g‘ndx), (.r‘𝑅)〉)) |
| 4 | plusgslid 13185 | . . . . 5 ⊢ (+g = Slot (+g‘ndx) ∧ (+g‘ndx) ∈ ℕ) | |
| 5 | 4 | simpri 113 | . . . 4 ⊢ (+g‘ndx) ∈ ℕ |
| 6 | 5 | a1i 9 | . . 3 ⊢ (𝑅 ∈ 𝑉 → (+g‘ndx) ∈ ℕ) |
| 7 | mulrslid 13205 | . . . 4 ⊢ (.r = Slot (.r‘ndx) ∧ (.r‘ndx) ∈ ℕ) | |
| 8 | 7 | slotex 13099 | . . 3 ⊢ (𝑅 ∈ 𝑉 → (.r‘𝑅) ∈ V) |
| 9 | setsex 13104 | . . 3 ⊢ ((𝑅 ∈ 𝑉 ∧ (+g‘ndx) ∈ ℕ ∧ (.r‘𝑅) ∈ V) → (𝑅 sSet 〈(+g‘ndx), (.r‘𝑅)〉) ∈ V) | |
| 10 | 6, 8, 9 | mpd3an23 1373 | . 2 ⊢ (𝑅 ∈ 𝑉 → (𝑅 sSet 〈(+g‘ndx), (.r‘𝑅)〉) ∈ V) |
| 11 | 3, 10 | eqeltrd 2306 | 1 ⊢ (𝑅 ∈ 𝑉 → 𝑀 ∈ V) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 ∈ wcel 2200 Vcvv 2800 〈cop 3670 ‘cfv 5324 (class class class)co 6013 ℕcn 9133 ndxcnx 13069 sSet csts 13070 Slot cslot 13071 +gcplusg 13150 .rcmulr 13151 mulGrpcmgp 13923 |
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8113 ax-resscn 8114 ax-1re 8116 ax-addrcl 8119 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-sbc 3030 df-csb 3126 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-br 4087 df-opab 4149 df-mpt 4150 df-id 4388 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-iota 5284 df-fun 5326 df-fn 5327 df-fv 5332 df-ov 6016 df-oprab 6017 df-mpo 6018 df-inn 9134 df-2 9192 df-3 9193 df-ndx 13075 df-slot 13076 df-sets 13079 df-plusg 13163 df-mulr 13164 df-mgp 13924 |
| This theorem is referenced by: mgpress 13934 isrngd 13956 rngpropd 13958 ringidss 14032 oppr1g 14085 unitgrpbasd 14119 unitgrp 14120 unitlinv 14130 unitrinv 14131 rngidpropdg 14150 rhmunitinv 14182 rnglidlmmgm 14500 expghmap 14611 |
| Copyright terms: Public domain | W3C validator |