![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > oppgmnd | Structured version Visualization version GIF version |
Description: The opposite of a monoid is a monoid. (Contributed by Stefan O'Rear, 26-Aug-2015.) (Revised by Mario Carneiro, 16-Sep-2015.) |
Ref | Expression |
---|---|
oppgbas.1 | ⊢ 𝑂 = (oppg‘𝑅) |
Ref | Expression |
---|---|
oppgmnd | ⊢ (𝑅 ∈ Mnd → 𝑂 ∈ Mnd) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oppgbas.1 | . . . 4 ⊢ 𝑂 = (oppg‘𝑅) | |
2 | eqid 2732 | . . . 4 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
3 | 1, 2 | oppgbas 19257 | . . 3 ⊢ (Base‘𝑅) = (Base‘𝑂) |
4 | 3 | a1i 11 | . 2 ⊢ (𝑅 ∈ Mnd → (Base‘𝑅) = (Base‘𝑂)) |
5 | eqidd 2733 | . 2 ⊢ (𝑅 ∈ Mnd → (+g‘𝑂) = (+g‘𝑂)) | |
6 | eqid 2732 | . . . 4 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
7 | eqid 2732 | . . . 4 ⊢ (+g‘𝑂) = (+g‘𝑂) | |
8 | 6, 1, 7 | oppgplus 19254 | . . 3 ⊢ (𝑥(+g‘𝑂)𝑦) = (𝑦(+g‘𝑅)𝑥) |
9 | 2, 6 | mndcl 18667 | . . . 4 ⊢ ((𝑅 ∈ Mnd ∧ 𝑦 ∈ (Base‘𝑅) ∧ 𝑥 ∈ (Base‘𝑅)) → (𝑦(+g‘𝑅)𝑥) ∈ (Base‘𝑅)) |
10 | 9 | 3com23 1126 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅)) → (𝑦(+g‘𝑅)𝑥) ∈ (Base‘𝑅)) |
11 | 8, 10 | eqeltrid 2837 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅)) → (𝑥(+g‘𝑂)𝑦) ∈ (Base‘𝑅)) |
12 | simpl 483 | . . . . 5 ⊢ ((𝑅 ∈ Mnd ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅) ∧ 𝑧 ∈ (Base‘𝑅))) → 𝑅 ∈ Mnd) | |
13 | simpr3 1196 | . . . . 5 ⊢ ((𝑅 ∈ Mnd ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅) ∧ 𝑧 ∈ (Base‘𝑅))) → 𝑧 ∈ (Base‘𝑅)) | |
14 | simpr2 1195 | . . . . 5 ⊢ ((𝑅 ∈ Mnd ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅) ∧ 𝑧 ∈ (Base‘𝑅))) → 𝑦 ∈ (Base‘𝑅)) | |
15 | simpr1 1194 | . . . . 5 ⊢ ((𝑅 ∈ Mnd ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅) ∧ 𝑧 ∈ (Base‘𝑅))) → 𝑥 ∈ (Base‘𝑅)) | |
16 | 2, 6 | mndass 18668 | . . . . 5 ⊢ ((𝑅 ∈ Mnd ∧ (𝑧 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅) ∧ 𝑥 ∈ (Base‘𝑅))) → ((𝑧(+g‘𝑅)𝑦)(+g‘𝑅)𝑥) = (𝑧(+g‘𝑅)(𝑦(+g‘𝑅)𝑥))) |
17 | 12, 13, 14, 15, 16 | syl13anc 1372 | . . . 4 ⊢ ((𝑅 ∈ Mnd ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅) ∧ 𝑧 ∈ (Base‘𝑅))) → ((𝑧(+g‘𝑅)𝑦)(+g‘𝑅)𝑥) = (𝑧(+g‘𝑅)(𝑦(+g‘𝑅)𝑥))) |
18 | 17 | eqcomd 2738 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅) ∧ 𝑧 ∈ (Base‘𝑅))) → (𝑧(+g‘𝑅)(𝑦(+g‘𝑅)𝑥)) = ((𝑧(+g‘𝑅)𝑦)(+g‘𝑅)𝑥)) |
19 | 8 | oveq1i 7421 | . . . 4 ⊢ ((𝑥(+g‘𝑂)𝑦)(+g‘𝑂)𝑧) = ((𝑦(+g‘𝑅)𝑥)(+g‘𝑂)𝑧) |
20 | 6, 1, 7 | oppgplus 19254 | . . . 4 ⊢ ((𝑦(+g‘𝑅)𝑥)(+g‘𝑂)𝑧) = (𝑧(+g‘𝑅)(𝑦(+g‘𝑅)𝑥)) |
21 | 19, 20 | eqtri 2760 | . . 3 ⊢ ((𝑥(+g‘𝑂)𝑦)(+g‘𝑂)𝑧) = (𝑧(+g‘𝑅)(𝑦(+g‘𝑅)𝑥)) |
22 | 6, 1, 7 | oppgplus 19254 | . . . . 5 ⊢ (𝑦(+g‘𝑂)𝑧) = (𝑧(+g‘𝑅)𝑦) |
23 | 22 | oveq2i 7422 | . . . 4 ⊢ (𝑥(+g‘𝑂)(𝑦(+g‘𝑂)𝑧)) = (𝑥(+g‘𝑂)(𝑧(+g‘𝑅)𝑦)) |
24 | 6, 1, 7 | oppgplus 19254 | . . . 4 ⊢ (𝑥(+g‘𝑂)(𝑧(+g‘𝑅)𝑦)) = ((𝑧(+g‘𝑅)𝑦)(+g‘𝑅)𝑥) |
25 | 23, 24 | eqtri 2760 | . . 3 ⊢ (𝑥(+g‘𝑂)(𝑦(+g‘𝑂)𝑧)) = ((𝑧(+g‘𝑅)𝑦)(+g‘𝑅)𝑥) |
26 | 18, 21, 25 | 3eqtr4g 2797 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ (𝑥 ∈ (Base‘𝑅) ∧ 𝑦 ∈ (Base‘𝑅) ∧ 𝑧 ∈ (Base‘𝑅))) → ((𝑥(+g‘𝑂)𝑦)(+g‘𝑂)𝑧) = (𝑥(+g‘𝑂)(𝑦(+g‘𝑂)𝑧))) |
27 | eqid 2732 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
28 | 2, 27 | mndidcl 18674 | . 2 ⊢ (𝑅 ∈ Mnd → (0g‘𝑅) ∈ (Base‘𝑅)) |
29 | 6, 1, 7 | oppgplus 19254 | . . 3 ⊢ ((0g‘𝑅)(+g‘𝑂)𝑥) = (𝑥(+g‘𝑅)(0g‘𝑅)) |
30 | 2, 6, 27 | mndrid 18680 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝑥 ∈ (Base‘𝑅)) → (𝑥(+g‘𝑅)(0g‘𝑅)) = 𝑥) |
31 | 29, 30 | eqtrid 2784 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 𝑥 ∈ (Base‘𝑅)) → ((0g‘𝑅)(+g‘𝑂)𝑥) = 𝑥) |
32 | 6, 1, 7 | oppgplus 19254 | . . 3 ⊢ (𝑥(+g‘𝑂)(0g‘𝑅)) = ((0g‘𝑅)(+g‘𝑅)𝑥) |
33 | 2, 6, 27 | mndlid 18679 | . . 3 ⊢ ((𝑅 ∈ Mnd ∧ 𝑥 ∈ (Base‘𝑅)) → ((0g‘𝑅)(+g‘𝑅)𝑥) = 𝑥) |
34 | 32, 33 | eqtrid 2784 | . 2 ⊢ ((𝑅 ∈ Mnd ∧ 𝑥 ∈ (Base‘𝑅)) → (𝑥(+g‘𝑂)(0g‘𝑅)) = 𝑥) |
35 | 4, 5, 11, 26, 28, 31, 34 | ismndd 18681 | 1 ⊢ (𝑅 ∈ Mnd → 𝑂 ∈ Mnd) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1087 = wceq 1541 ∈ wcel 2106 ‘cfv 6543 (class class class)co 7411 Basecbs 17148 +gcplusg 17201 0gc0g 17389 Mndcmnd 18659 oppgcoppg 19250 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2703 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7727 ax-cnex 11168 ax-resscn 11169 ax-1cn 11170 ax-icn 11171 ax-addcl 11172 ax-addrcl 11173 ax-mulcl 11174 ax-mulrcl 11175 ax-mulcom 11176 ax-addass 11177 ax-mulass 11178 ax-distr 11179 ax-i2m1 11180 ax-1ne0 11181 ax-1rid 11182 ax-rnegex 11183 ax-rrecex 11184 ax-cnre 11185 ax-pre-lttri 11186 ax-pre-lttrn 11187 ax-pre-ltadd 11188 ax-pre-mulgt0 11189 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3376 df-reu 3377 df-rab 3433 df-v 3476 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-pss 3967 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-op 4635 df-uni 4909 df-iun 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5574 df-eprel 5580 df-po 5588 df-so 5589 df-fr 5631 df-we 5633 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7367 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7858 df-2nd 7978 df-tpos 8213 df-frecs 8268 df-wrecs 8299 df-recs 8373 df-rdg 8412 df-er 8705 df-en 8942 df-dom 8943 df-sdom 8944 df-pnf 11254 df-mnf 11255 df-xr 11256 df-ltxr 11257 df-le 11258 df-sub 11450 df-neg 11451 df-nn 12217 df-2 12279 df-sets 17101 df-slot 17119 df-ndx 17131 df-base 17149 df-plusg 17214 df-0g 17391 df-mgm 18565 df-sgrp 18644 df-mnd 18660 df-oppg 19251 |
This theorem is referenced by: oppgmndb 19263 oppggrp 19265 gsumwrev 19274 gsumzoppg 19853 gsumzinv 19854 oppgtmd 23821 lsmsnorb2 32764 |
Copyright terms: Public domain | W3C validator |