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Mirrors > Home > ILE Home > Th. List > dflidl2rng | Unicode version |
Description: Alternate (the usual textbook) definition of a (left) ideal of a non-unital ring to be a subgroup of the additive group of the ring which is closed under left-multiplication by elements of the full ring. (Contributed by AV, 21-Mar-2025.) |
Ref | Expression |
---|---|
dflidl2rng.u |
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dflidl2rng.b |
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dflidl2rng.t |
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Ref | Expression |
---|---|
dflidl2rng |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpll 527 |
. . . . 5
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2 | simpr 110 |
. . . . 5
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3 | eqid 2189 |
. . . . . . 7
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4 | 3 | subg0cl 13118 |
. . . . . 6
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5 | 4 | ad2antlr 489 |
. . . . 5
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6 | 1, 2, 5 | 3jca 1179 |
. . . 4
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7 | dflidl2rng.b |
. . . . 5
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8 | dflidl2rng.t |
. . . . 5
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9 | dflidl2rng.u |
. . . . 5
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10 | 3, 7, 8, 9 | rnglidlmcl 13793 |
. . . 4
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11 | 6, 10 | sylan 283 |
. . 3
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12 | 11 | ralrimivva 2572 |
. 2
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13 | 7 | subgss 13110 |
. . . 4
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14 | 13 | ad2antlr 489 |
. . 3
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15 | elex2 2768 |
. . . . 5
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16 | 4, 15 | syl 14 |
. . . 4
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17 | 16 | ad2antlr 489 |
. . 3
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18 | eqid 2189 |
. . . . . . . . 9
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19 | 18 | subgcl 13120 |
. . . . . . . 8
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20 | 19 | ad5ant245 1238 |
. . . . . . 7
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21 | 20 | ralrimiva 2563 |
. . . . . 6
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22 | 21 | ex 115 |
. . . . 5
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23 | 22 | ralimdvva 2559 |
. . . 4
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24 | 23 | imp 124 |
. . 3
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25 | 9, 7, 18, 8 | islidlm 13792 |
. . 3
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26 | 14, 17, 24, 25 | syl3anbrc 1183 |
. 2
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27 | 12, 26 | impbida 596 |
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 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2162 ax-14 2163 ax-ext 2171 ax-coll 4133 ax-sep 4136 ax-pow 4192 ax-pr 4227 ax-un 4451 ax-setind 4554 ax-cnex 7931 ax-resscn 7932 ax-1cn 7933 ax-1re 7934 ax-icn 7935 ax-addcl 7936 ax-addrcl 7937 ax-mulcl 7938 ax-addcom 7940 ax-addass 7942 ax-i2m1 7945 ax-0lt1 7946 ax-0id 7948 ax-rnegex 7949 ax-pre-ltirr 7952 ax-pre-lttrn 7954 ax-pre-ltadd 7956 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2041 df-mo 2042 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ne 2361 df-nel 2456 df-ral 2473 df-rex 2474 df-reu 2475 df-rmo 2476 df-rab 2477 df-v 2754 df-sbc 2978 df-csb 3073 df-dif 3146 df-un 3148 df-in 3150 df-ss 3157 df-nul 3438 df-pw 3592 df-sn 3613 df-pr 3614 df-op 3616 df-uni 3825 df-int 3860 df-iun 3903 df-br 4019 df-opab 4080 df-mpt 4081 df-id 4311 df-xp 4650 df-rel 4651 df-cnv 4652 df-co 4653 df-dm 4654 df-rn 4655 df-res 4656 df-ima 4657 df-iota 5196 df-fun 5237 df-fn 5238 df-f 5239 df-f1 5240 df-fo 5241 df-f1o 5242 df-fv 5243 df-riota 5851 df-ov 5898 df-oprab 5899 df-mpo 5900 df-pnf 8023 df-mnf 8024 df-ltxr 8026 df-inn 8949 df-2 9007 df-3 9008 df-4 9009 df-5 9010 df-6 9011 df-7 9012 df-8 9013 df-ndx 12514 df-slot 12515 df-base 12517 df-sets 12518 df-iress 12519 df-plusg 12599 df-mulr 12600 df-sca 12602 df-vsca 12603 df-ip 12604 df-0g 12760 df-mgm 12829 df-sgrp 12862 df-mnd 12875 df-grp 12945 df-subg 13106 df-abl 13223 df-mgp 13272 df-rng 13284 df-lssm 13666 df-sra 13748 df-rgmod 13749 df-lidl 13782 |
This theorem is referenced by: isridlrng 13795 dflidl2 13801 df2idl2rng 13820 |
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