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Mirrors > Home > ILE Home > Th. List > lsslss | Unicode version |
Description: The subspaces of a subspace are the smaller subspaces. (Contributed by Stefan O'Rear, 12-Dec-2014.) |
Ref | Expression |
---|---|
lsslss.x |
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lsslss.s |
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lsslss.t |
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Ref | Expression |
---|---|
lsslss |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | lsslss.x |
. . . 4
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2 | lsslss.s |
. . . 4
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3 | 1, 2 | lsslmod 13879 |
. . 3
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4 | eqid 2193 |
. . . 4
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5 | eqid 2193 |
. . . 4
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6 | lsslss.t |
. . . 4
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7 | 4, 5, 6 | islss3 13878 |
. . 3
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8 | 3, 7 | syl 14 |
. 2
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9 | 1 | a1i 9 |
. . . . 5
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10 | eqid 2193 |
. . . . . 6
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11 | 10 | a1i 9 |
. . . . 5
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12 | simpl 109 |
. . . . 5
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13 | 10, 2 | lssssg 13859 |
. . . . 5
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14 | 9, 11, 12, 13 | ressbas2d 12689 |
. . . 4
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15 | 14 | sseq2d 3210 |
. . 3
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16 | 15 | anbi1d 465 |
. 2
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17 | sstr2 3187 |
. . . . . . 7
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18 | 13, 17 | mpan9 281 |
. . . . . 6
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19 | 18 | biantrurd 305 |
. . . . 5
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20 | 1 | oveq1i 5929 |
. . . . . . 7
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21 | simplr 528 |
. . . . . . . 8
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22 | simpr 110 |
. . . . . . . 8
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23 | simpll 527 |
. . . . . . . 8
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24 | ressabsg 12697 |
. . . . . . . 8
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25 | 21, 22, 23, 24 | syl3anc 1249 |
. . . . . . 7
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26 | 20, 25 | eqtrid 2238 |
. . . . . 6
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27 | 26 | eleq1d 2262 |
. . . . 5
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28 | eqid 2193 |
. . . . . . 7
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29 | 28, 10, 2 | islss3 13878 |
. . . . . 6
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30 | 29 | ad2antrr 488 |
. . . . 5
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31 | 19, 27, 30 | 3bitr4d 220 |
. . . 4
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32 | 31 | pm5.32da 452 |
. . 3
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33 | 32 | biancomd 271 |
. 2
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34 | 8, 16, 33 | 3bitr2d 216 |
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 2166 ax-14 2167 ax-ext 2175 ax-coll 4145 ax-sep 4148 ax-pow 4204 ax-pr 4239 ax-un 4465 ax-setind 4570 ax-cnex 7965 ax-resscn 7966 ax-1cn 7967 ax-1re 7968 ax-icn 7969 ax-addcl 7970 ax-addrcl 7971 ax-mulcl 7972 ax-addcom 7974 ax-addass 7976 ax-i2m1 7979 ax-0lt1 7980 ax-0id 7982 ax-rnegex 7983 ax-pre-ltirr 7986 ax-pre-lttrn 7988 ax-pre-ltadd 7990 |
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 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ne 2365 df-nel 2460 df-ral 2477 df-rex 2478 df-reu 2479 df-rmo 2480 df-rab 2481 df-v 2762 df-sbc 2987 df-csb 3082 df-dif 3156 df-un 3158 df-in 3160 df-ss 3167 df-nul 3448 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-uni 3837 df-int 3872 df-iun 3915 df-br 4031 df-opab 4092 df-mpt 4093 df-id 4325 df-xp 4666 df-rel 4667 df-cnv 4668 df-co 4669 df-dm 4670 df-rn 4671 df-res 4672 df-ima 4673 df-iota 5216 df-fun 5257 df-fn 5258 df-f 5259 df-f1 5260 df-fo 5261 df-f1o 5262 df-fv 5263 df-riota 5874 df-ov 5922 df-oprab 5923 df-mpo 5924 df-1st 6195 df-2nd 6196 df-pnf 8058 df-mnf 8059 df-ltxr 8061 df-inn 8985 df-2 9043 df-3 9044 df-4 9045 df-5 9046 df-6 9047 df-ndx 12624 df-slot 12625 df-base 12627 df-sets 12628 df-iress 12629 df-plusg 12711 df-mulr 12712 df-sca 12714 df-vsca 12715 df-0g 12872 df-mgm 12942 df-sgrp 12988 df-mnd 13001 df-grp 13078 df-minusg 13079 df-sbg 13080 df-subg 13243 df-mgp 13420 df-ur 13459 df-ring 13497 df-lmod 13788 df-lssm 13852 |
This theorem is referenced by: lsslsp 13928 |
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