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Mirrors > Home > ILE Home > Th. List > unitnegcl | Unicode version |
Description: The negative of a unit is a unit. (Contributed by Mario Carneiro, 4-Dec-2014.) |
Ref | Expression |
---|---|
unitnegcl.1 |
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unitnegcl.2 |
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Ref | Expression |
---|---|
unitnegcl |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl 109 |
. . 3
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2 | ringgrp 13137 |
. . . . . 6
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3 | eqidd 2178 |
. . . . . . 7
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4 | unitnegcl.1 |
. . . . . . . 8
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5 | 4 | a1i 9 |
. . . . . . 7
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6 | ringsrg 13177 |
. . . . . . . 8
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7 | 6 | adantr 276 |
. . . . . . 7
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8 | simpr 110 |
. . . . . . 7
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9 | 3, 5, 7, 8 | unitcld 13230 |
. . . . . 6
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10 | eqid 2177 |
. . . . . . 7
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11 | unitnegcl.2 |
. . . . . . 7
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12 | 10, 11 | grpinvcl 12875 |
. . . . . 6
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13 | 2, 9, 12 | syl2an2r 595 |
. . . . 5
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14 | eqid 2177 |
. . . . . 6
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15 | 10, 14, 11 | dvdsrneg 13225 |
. . . . 5
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16 | 13, 15 | syldan 282 |
. . . 4
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17 | 10, 11 | grpinvinv 12891 |
. . . . 5
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18 | 2, 9, 17 | syl2an2r 595 |
. . . 4
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19 | 16, 18 | breqtrd 4029 |
. . 3
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20 | eqidd 2178 |
. . . . . 6
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21 | eqidd 2178 |
. . . . . 6
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22 | eqidd 2178 |
. . . . . 6
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23 | eqidd 2178 |
. . . . . 6
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24 | 5, 20, 21, 22, 23, 7 | isunitd 13228 |
. . . . 5
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25 | 8, 24 | mpbid 147 |
. . . 4
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26 | 25 | simpld 112 |
. . 3
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27 | 10, 14 | dvdsrtr 13223 |
. . 3
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28 | 1, 19, 26, 27 | syl3anc 1238 |
. 2
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29 | eqid 2177 |
. . . . 5
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30 | 29 | opprring 13202 |
. . . 4
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31 | 30 | adantr 276 |
. . 3
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32 | 29, 10 | opprbasg 13200 |
. . . . . . . . 9
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33 | 32 | eleq2d 2247 |
. . . . . . . 8
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34 | 33 | adantr 276 |
. . . . . . 7
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35 | 13, 34 | mpbid 147 |
. . . . . 6
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36 | eqid 2177 |
. . . . . . 7
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37 | eqid 2177 |
. . . . . . 7
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38 | eqid 2177 |
. . . . . . 7
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39 | 36, 37, 38 | dvdsrneg 13225 |
. . . . . 6
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40 | 30, 35, 39 | syl2an2r 595 |
. . . . 5
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41 | 29, 11 | opprnegg 13206 |
. . . . . . . 8
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42 | 41 | fveq1d 5517 |
. . . . . . 7
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43 | 42 | breq2d 4015 |
. . . . . 6
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44 | 43 | adantr 276 |
. . . . 5
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45 | 40, 44 | mpbird 167 |
. . . 4
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46 | 45, 18 | breqtrd 4029 |
. . 3
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47 | 25 | simprd 114 |
. . 3
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48 | 36, 37 | dvdsrtr 13223 |
. . 3
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49 | 31, 46, 47, 48 | syl3anc 1238 |
. 2
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50 | 5, 20, 21, 22, 23, 7 | isunitd 13228 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
51 | 28, 49, 50 | mpbir2and 944 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-coll 4118 ax-sep 4121 ax-nul 4129 ax-pow 4174 ax-pr 4209 ax-un 4433 ax-setind 4536 ax-cnex 7901 ax-resscn 7902 ax-1cn 7903 ax-1re 7904 ax-icn 7905 ax-addcl 7906 ax-addrcl 7907 ax-mulcl 7908 ax-addcom 7910 ax-addass 7912 ax-i2m1 7915 ax-0lt1 7916 ax-0id 7918 ax-rnegex 7919 ax-pre-ltirr 7922 ax-pre-lttrn 7924 ax-pre-ltadd 7926 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-nel 2443 df-ral 2460 df-rex 2461 df-reu 2462 df-rmo 2463 df-rab 2464 df-v 2739 df-sbc 2963 df-csb 3058 df-dif 3131 df-un 3133 df-in 3135 df-ss 3142 df-nul 3423 df-pw 3577 df-sn 3598 df-pr 3599 df-op 3601 df-uni 3810 df-int 3845 df-iun 3888 df-br 4004 df-opab 4065 df-mpt 4066 df-id 4293 df-xp 4632 df-rel 4633 df-cnv 4634 df-co 4635 df-dm 4636 df-rn 4637 df-res 4638 df-ima 4639 df-iota 5178 df-fun 5218 df-fn 5219 df-f 5220 df-f1 5221 df-fo 5222 df-f1o 5223 df-fv 5224 df-riota 5830 df-ov 5877 df-oprab 5878 df-mpo 5879 df-tpos 6245 df-pnf 7992 df-mnf 7993 df-ltxr 7995 df-inn 8918 df-2 8976 df-3 8977 df-ndx 12459 df-slot 12460 df-base 12462 df-sets 12463 df-plusg 12543 df-mulr 12544 df-0g 12697 df-mgm 12729 df-sgrp 12762 df-mnd 12772 df-grp 12834 df-minusg 12835 df-cmn 13043 df-abl 13044 df-mgp 13084 df-ur 13096 df-srg 13100 df-ring 13134 df-oppr 13193 df-dvdsr 13211 df-unit 13212 |
This theorem is referenced by: aprsym 13295 |
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