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Mirrors > Home > MPE Home > Th. List > opprunit | Structured version Visualization version GIF version |
Description: Being a unit is a symmetric property, so it transfers to the opposite ring. (Contributed by Mario Carneiro, 4-Dec-2014.) |
Ref | Expression |
---|---|
opprunit.1 | β’ π = (Unitβπ ) |
opprunit.2 | β’ π = (opprβπ ) |
Ref | Expression |
---|---|
opprunit | β’ π = (Unitβπ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | opprunit.2 | . . . . . . . . . . 11 β’ π = (opprβπ ) | |
2 | eqid 2737 | . . . . . . . . . . 11 β’ (Baseβπ ) = (Baseβπ ) | |
3 | 1, 2 | opprbas 20057 | . . . . . . . . . 10 β’ (Baseβπ ) = (Baseβπ) |
4 | eqid 2737 | . . . . . . . . . 10 β’ (.rβπ) = (.rβπ) | |
5 | eqid 2737 | . . . . . . . . . 10 β’ (opprβπ) = (opprβπ) | |
6 | eqid 2737 | . . . . . . . . . 10 β’ (.rβ(opprβπ)) = (.rβ(opprβπ)) | |
7 | 3, 4, 5, 6 | opprmul 20053 | . . . . . . . . 9 β’ (π¦(.rβ(opprβπ))π₯) = (π₯(.rβπ)π¦) |
8 | eqid 2737 | . . . . . . . . . 10 β’ (.rβπ ) = (.rβπ ) | |
9 | 2, 8, 1, 4 | opprmul 20053 | . . . . . . . . 9 β’ (π₯(.rβπ)π¦) = (π¦(.rβπ )π₯) |
10 | 7, 9 | eqtr2i 2766 | . . . . . . . 8 β’ (π¦(.rβπ )π₯) = (π¦(.rβ(opprβπ))π₯) |
11 | 10 | eqeq1i 2742 | . . . . . . 7 β’ ((π¦(.rβπ )π₯) = (1rβπ ) β (π¦(.rβ(opprβπ))π₯) = (1rβπ )) |
12 | 11 | rexbii 3098 | . . . . . 6 β’ (βπ¦ β (Baseβπ )(π¦(.rβπ )π₯) = (1rβπ ) β βπ¦ β (Baseβπ )(π¦(.rβ(opprβπ))π₯) = (1rβπ )) |
13 | 12 | anbi2i 624 | . . . . 5 β’ ((π₯ β (Baseβπ ) β§ βπ¦ β (Baseβπ )(π¦(.rβπ )π₯) = (1rβπ )) β (π₯ β (Baseβπ ) β§ βπ¦ β (Baseβπ )(π¦(.rβ(opprβπ))π₯) = (1rβπ ))) |
14 | eqid 2737 | . . . . . 6 β’ (β₯rβπ ) = (β₯rβπ ) | |
15 | 2, 14, 8 | dvdsr 20076 | . . . . 5 β’ (π₯(β₯rβπ )(1rβπ ) β (π₯ β (Baseβπ ) β§ βπ¦ β (Baseβπ )(π¦(.rβπ )π₯) = (1rβπ ))) |
16 | 5, 3 | opprbas 20057 | . . . . . 6 β’ (Baseβπ ) = (Baseβ(opprβπ)) |
17 | eqid 2737 | . . . . . 6 β’ (β₯rβ(opprβπ)) = (β₯rβ(opprβπ)) | |
18 | 16, 17, 6 | dvdsr 20076 | . . . . 5 β’ (π₯(β₯rβ(opprβπ))(1rβπ ) β (π₯ β (Baseβπ ) β§ βπ¦ β (Baseβπ )(π¦(.rβ(opprβπ))π₯) = (1rβπ ))) |
19 | 13, 15, 18 | 3bitr4i 303 | . . . 4 β’ (π₯(β₯rβπ )(1rβπ ) β π₯(β₯rβ(opprβπ))(1rβπ )) |
20 | 19 | anbi2ci 626 | . . 3 β’ ((π₯(β₯rβπ )(1rβπ ) β§ π₯(β₯rβπ)(1rβπ )) β (π₯(β₯rβπ)(1rβπ ) β§ π₯(β₯rβ(opprβπ))(1rβπ ))) |
21 | opprunit.1 | . . . 4 β’ π = (Unitβπ ) | |
22 | eqid 2737 | . . . 4 β’ (1rβπ ) = (1rβπ ) | |
23 | eqid 2737 | . . . 4 β’ (β₯rβπ) = (β₯rβπ) | |
24 | 21, 22, 14, 1, 23 | isunit 20087 | . . 3 β’ (π₯ β π β (π₯(β₯rβπ )(1rβπ ) β§ π₯(β₯rβπ)(1rβπ ))) |
25 | eqid 2737 | . . . 4 β’ (Unitβπ) = (Unitβπ) | |
26 | 1, 22 | oppr1 20064 | . . . 4 β’ (1rβπ ) = (1rβπ) |
27 | 25, 26, 23, 5, 17 | isunit 20087 | . . 3 β’ (π₯ β (Unitβπ) β (π₯(β₯rβπ)(1rβπ ) β§ π₯(β₯rβ(opprβπ))(1rβπ ))) |
28 | 20, 24, 27 | 3bitr4i 303 | . 2 β’ (π₯ β π β π₯ β (Unitβπ)) |
29 | 28 | eqriv 2734 | 1 β’ π = (Unitβπ) |
Colors of variables: wff setvar class |
Syntax hints: β§ wa 397 = wceq 1542 β wcel 2107 βwrex 3074 class class class wbr 5106 βcfv 6497 (class class class)co 7358 Basecbs 17084 .rcmulr 17135 1rcur 19914 opprcoppr 20049 β₯rcdsr 20068 Unitcui 20069 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2708 ax-rep 5243 ax-sep 5257 ax-nul 5264 ax-pow 5321 ax-pr 5385 ax-un 7673 ax-cnex 11108 ax-resscn 11109 ax-1cn 11110 ax-icn 11111 ax-addcl 11112 ax-addrcl 11113 ax-mulcl 11114 ax-mulrcl 11115 ax-mulcom 11116 ax-addass 11117 ax-mulass 11118 ax-distr 11119 ax-i2m1 11120 ax-1ne0 11121 ax-1rid 11122 ax-rnegex 11123 ax-rrecex 11124 ax-cnre 11125 ax-pre-lttri 11126 ax-pre-lttrn 11127 ax-pre-ltadd 11128 ax-pre-mulgt0 11129 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2815 df-nfc 2890 df-ne 2945 df-nel 3051 df-ral 3066 df-rex 3075 df-reu 3355 df-rab 3409 df-v 3448 df-sbc 3741 df-csb 3857 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3930 df-nul 4284 df-if 4488 df-pw 4563 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4867 df-iun 4957 df-br 5107 df-opab 5169 df-mpt 5190 df-tr 5224 df-id 5532 df-eprel 5538 df-po 5546 df-so 5547 df-fr 5589 df-we 5591 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-res 5646 df-ima 5647 df-pred 6254 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6499 df-fn 6500 df-f 6501 df-f1 6502 df-fo 6503 df-f1o 6504 df-fv 6505 df-riota 7314 df-ov 7361 df-oprab 7362 df-mpo 7363 df-om 7804 df-2nd 7923 df-tpos 8158 df-frecs 8213 df-wrecs 8244 df-recs 8318 df-rdg 8357 df-er 8649 df-en 8885 df-dom 8886 df-sdom 8887 df-pnf 11192 df-mnf 11193 df-xr 11194 df-ltxr 11195 df-le 11196 df-sub 11388 df-neg 11389 df-nn 12155 df-2 12217 df-3 12218 df-sets 17037 df-slot 17055 df-ndx 17067 df-base 17085 df-plusg 17147 df-mulr 17148 df-0g 17324 df-mgp 19898 df-ur 19915 df-oppr 20050 df-dvdsr 20071 df-unit 20072 |
This theorem is referenced by: opprirred 20132 irredlmul 20138 opprdrng 20214 ply1divalg2 25506 |
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